Radioimmunoscintigraphy using Prostascint (Capromab Pendetide) Essay Example for Free

Radioimmunoscintigraphy using Prostascint (Capromab Pendetide) Essay Abstract   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Prostate cancer is one of the most common malignancies encountered among the men over the age of 65 years in the U.S. Proper treatment of patients with prostate cancer requires the determination of exact extent of cancer spread. Conventional imaging modalities like CT and MRI have proved to be of little use. Newer imaging modality involving radioimmunoscintigraphy using Prostascint has emerged as a useful diagnostic test for management of cases of carcinoma of prostate, particularly patients with localized disease and those showing evidence of recurrence following radiotherapy. Prostascint imaging serves as a reliable, noninvasive means of differentiating patients with organ-confined disease from those with metastatic spread to lymph. Following a positive Prostascint scan confirmatory studies (biopsy of involved sites) must be undertaken prior to initiation of a definitive surgical procedure. In the modern era, high quality fused images, using CT or MRI with Prostascint scans, obtained from using higher-resolution gamma cameras, have further increased the value of radioimmunoscintigraphy. However well designed randomized controlled trials in future are required to prove the exact clinical role of Prostascint imaging in cases of prostate cancer. Table of contents Introduction†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.4 Analysis of Prostascint Imaging†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.5 Applications of Prostascint imaging†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦6 Newly diagnosed patients with biopsy-proven prostate cancer.6 Patients with rising levels of PSA following prostatectomy†¦..7 Challenges associated with the use of Prostascint imaging†¦.†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.10 Safety and precautions†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦.11 Conclusion†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦13 References/ bibliography†¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦Ã¢â‚¬ ¦l5 Radioimmunoscintigraphy using Prostascint (Capromab Pendetide) Introduction Prostate cancer is one of the most common malignancies encountered among the men over the age of 65 years in the U.S. During the year 2004, in the U.S 230,110 men were registered with the diagnosis of carcinoma prostate, whereas 29,900 died from it. (Jemal et al, 2004). Following the diagnosis of prostate cancer, one of the most important challenges for the clinician is to estimate the exact extent of the cancer (cancer staging) in order to undertake a proper treatment plan, which would be able to cure the cancer in its entirety in early as well as late cases. Information needed to stage prostate cancer depends upon tumor size, location, extra-prostatic extension, lymphatic involvement and distant metastases (Neal Kelly, 2004). In more than one third of cases of prostate cancer, by the time cancer is diagnosed, it has frequently involved the lymph nodes outside the pelvis, the most common ones being the periaortic lymph nodes (Neal Kelly, 2004). Treatment options and prognosis of localized cancer of prostate is different from the cases where the cancer has spread into the lymph nodes, contradicting the use of both surgery and radiotherapy, which works well for the localized disease. Hormone therapy and recently taxane based chemotherapy is used for the treatment of advanced disease (Neal Kelly, 2004). Presently the prediction of lymph node metastasis is not very accurate because, in the vast majority of cases, tissue examination for evaluating spread of cancer is based on biopsies involving a limited sample of the area with possible lymphatic spread. Conventional imaging modalities like computed tomography (CT) and magnetic resonance imaging (MRI) for detecting soft tissue metastasis, suffer from many disadvantages, which limits their use for this purpose (Neal Kelly, 2004). Lymphography as a diagnostic modality for visualization of lymphatic vessels and lymph nodes, following injection of radio opaque material in a lymphatic vessel has also proven to be inaccurate (Wolfgang, 2003). Significant advancements in the field of medical imaging have enabled the accurate estimation of cancer spread to a large extent. One such imaging technology is radioimmunoscintigraphy with Prostascint, which would be discussed in this paper. Analysis of Prostascint Imaging Radioimmunoscintigraphy is a nuclear medicine imaging technique which detectsn  signal from a radio labeled antibody that recognizes prostate tissue (Wolfgang, 2003). The most commonly studied monoclonal murine antibody for this purpose is (7E11-C53), capromab pendetide conjugated with the linker-chelator glycyl-tyrosyl-(N, ÃŽ-diethylenetriamine-pentaacetic acid)-lysine commonly known as Prostascint. In the most commonly used type of radioimmunoscintigraphy, Prostascint which has been radio labeled with indium-111(In-111) is given, followed by nuclear medicine imaging or SPECT imaging (Keane, Rosner, Wingo, McLeod, 2006). The most studied target for prostate cancer is the prostate-specific membrane antigen (PSMA), a glycoprotein expressed by prostate tissue, which is produced both by benign and malignant prostate epithelial cells. However it is expressed more abundantly in patients with prostate cancer, hormone-refractive disease, and prostate cancer metastases (Keane et al, 2006). Thus immunoscintigraphy is dependent on the degree of PSMA expression rather than the actual size of a metastatic lesion or the increase in the levels of PSA (prostate specific antigen). Applications of Prostascint imaging Prostascint (Capromab Pende ­tide) is commonly used as a diagnostic imaging agent, which shows significantly improved sensitivity for extra-prostatic cancer detection compared with conventional imaging modalities (Keane et al, 2006). According to the literature review by Keane et al, (2006), Prostascint, received Food and Drug Administration (FDA) approval in 1996 for its use as an imaging agent for the following purposes: (1) For the staging of patients, who have been recently diagnosed with histologically proven localized prostate cancer and are at a high risk for soft tissue metastases or (2) For the restaging of post prostatectomy patients with a rising PSA level. These applications of Prostascint have been described below in details: Newly diagnosed patients with biopsy-proven prostate cancer Prostascint imaging should be considered after a definitive diagnosis of localized prostate cancer, as proven by standard diagnostic investigations including chest x-ray, bone scan, CT scan, or MRI, which have been made prior to the initiation of definitive therapy in form of surgery or radiotherapy. Prostascint is not indicated in patients who are not at high risk for developing metastatic disease (Hinke et al, 1998). In fact it is especially administered to those patients who are at a high risk for pelvic lymph node metastasis as shown by an intermediate to high Gleason grade (a system for grading prostate cancer depending on the degree of differentiation of the malignant cells under a microscope) or by other diagnostic investigations carried out to evaluate the disease spread. In a study by Hinke et al (1998), scan positive extraprostatic regions, especially lymph nodes, following initial treatment, were histologically evaluated. The sensitivity and specificity of Prostascint imaging in   detection of extraprostatic disease was found to be 75% and   86% respectively, whereas the accuracy was found to be 81% and the positive predictive of Prostascint imaging in   detection of extraprostatic disease was found to be 79%. Thus, the study by Hinke et al (1998) shows that In-111 capromab pendetide (Prostascint) imaging has emerged as a promising diagnostic tool for detecting prostate cancer by having a significant impact on patient management through its detection of occult extra-prostatic disease in more than 50% of prostate carcinoma patients studied, and information regarding the presence of lymph node metastasis. It also shows that Prostascint imaging serves as a reliable, noninvasive means of differentiating patients with organ-confined disease from those with metastatic spread to lymph nodes and complements other modalities including prostate specific antigen (PSA), Gleason score, and clinical staging. Since Prostascint imaging can help predict the future involvement of lymph nodes in patients at high risk for extraprostatic disease it can therefore help in the selection of patients who may not benefit from definitive local therapy in form of surgery or radiotherapy. Patients with rising levels of PSA following prostatectomy Despite the ability of radical prostatectomy to eradicate prostate carcinoma, biochemical evidence of recurrent prostate carcinoma, in form of elevation in the serum PSA levels above the limit of detection may be seen in approximately 40% of patients, 15 years after they undergo surgery. The PSA test may become positive many years prior to a change in the bone scan or before the emergence of clinical evidence of recurrence (Neal Kelly, 2004). In more than 33% of cases the disease may recur locally in the prostatic fossa or regional lymph nodes or at distant sites. The presence of cancer recurrence requires further treatment in form of local salvage treatments or systemic therapy (Neal Kelly, 2004). Salvage therapy in form of external beam radiation may provide a therapeutic benefit only to those patients who have a localized recurrence. On the other hand, systemic therapy like hormonal therapy is usually recommended for patients with disseminated disease (lymphatic or metastatic spread) (Neal Kelly, 2004). Traditionally, most patients who show elevated serum levels of PSA post-surgically undergo a computed tomography (CT) scan of abdomen and pelvis or bone scintigraphy. The detection of tumor deposits on CT scans is size dependent i.e. the size of the tumor deposits should be more than 10–15 mm prior to detection. Further more, CT scan is not able to differentiate whether the lymph node is enlarged due to the presence of inflammation or metastasis (Neal Kelly, 2004). Thus the finding of radiographically enlarged lymph nodes is not diagnostic of carcinoma. Recurrence of prostate cancer after radiotherapy presents several challenges for the clinician regarding appropriate management. It is of utmost importance to identify correctly those patients with persistent localized disease and the potential to benefit from curative therapy (Keane et al, 2003). The localization of the extent of recurrent disease after radical prostatectomy is especially important for patients showing rising levels of PSA after prostatectomy and are being considered for salvage radiation therapy. However this is difficult with presently available techniques and may greatly influence subsequent clinical management (Raj, Partin, Polasiik, 2002). Prostascint imaging would greatly help in providing solution to this problem. Patients showing a positive result with radioimmunoscintigraphy, demonstrating that the cases with disease spread outside the pelvis can be spared inappropriate treatment, with radiotherapy, thus helps in reducing the associated morbidity and expense (Keane et al, 2006). Raj et al (2002) conducted a study to determine the use of indium- 111 labelled Prostascint imaging to detect recurrent prostate carcinoma radiographically in men with early biochemical evidence of failure (serum PSA levels less than or equal to 4.0 ng/mL) and tried to assess the minimum rise in serum PSA level, which would be necessary for imaging recurrent disease. Preoperatively, all patients had negative bone scans and negative lymph nodes on histopathological biopsy, and they did not undergo   any therapy including   hormonal ablation, chemotherapy, or radiation therapy preoperatively or postoperatively until the (111)In labeled Prostascint imaging was performed. The results of this study demonstrated that the Prostascint imaging is capable of detecting recurrent disease irrespective of level of serum PSA increase. Postive results on prostascint imaging were associated with significant increase in the probability of having recurrent disease. Furthermore 42.8% of patients demonstrated regional uptake in prostatic fossa with or without regional lymph nodes. Almost one-third of patients (30.6%) had local uptake only in the prostatic fossa. These results are in agreement with the known fact that one-third of prostate tumors that recur after prostate surgery occurs locally within the prostatic bed. Thus a positive Prostascint scan results can help classify the patients into two clinically useful categories, i.e.   those with local disease and those with distant recurrent disease, which are candidates for subsequent salvage treatment protocols. Challenges associated with the use of Prostascint imaging   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Imaging with indium In-111 capromab pendetide is technically challenging, requiring high degree of attention to anatomical details, which is not normally necessary with most nuclear medicine studies. The image quality of Prostascint imaging is observed to widely vary among different institutions depending on the method of image acquisition, the skills of the interpreting radiologist, and the resolution of cameras used for SPECT scanning (Wong, Turkington, Polascik, Coleman, 2004). Thus Prostascint imaging requires special training of the involved health care professionals in the field of nuclear medicine, utilizing this technique. Interpretation of the images requires the nuclear medicine physician to become familiar with detailed anatomy of the pelvis in order to read through the normal uptake patterns seen with this drug. On being given sufficient training and experience, the study can become routine for most nuclear medicine departments. Some of the limitations associated with the use of Prostascint scan include, relatively low spatial resolution and low detection efficiency of medium-energy collimators used in the past for detection of In-111 photo peaks; nonspecific localization of monoclonal antibodies in the blood, bowel, bone marrow, and prostate gland and lack of anatomic information on the part of the radiologist to localize accumulation of radiotracer (Wong et al, 2004). In order to improve upon the image quality, diagnostic accuracy and to discover a practical and efficient method of imaging, free from the above described problems, increasing degree of research has been done to improve image resolution. Over the past 5 years, significantly greater image resolution from improved camera technology and the use of co-registration to fuse functional images provided by radioimmunoscintigraphy with anatomic imaging scans such as CT or MRI (Wong, et al 2004). The fusion of these images helps in fusion of anatomical image (obtained on CT or MRI) and physiological image (obtained through Prostascint imaging), thereby considerably improving the resolution of fused image. Keane et al (2006) have reported an accuracy of 83% with fused images. The use of dual-head gamma cameras with a much higher resolution, to co-register the functional single-photon emission tomography (SPECT) image and an anatomic image (CT or MRI) has also made a dramatic difference in prostate cancer detection with the Prostascint imaging (Keane, (2006).   Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚  Ã‚   Wong et al (2004) conducted a study in which they tried to improve the diagnostic accuracy of this examination by using hybrid gamma camera–CT technology. Imaging was performed on a dual-head scanner with an integrated CT scanner built onto the same rotating gantry as the camera heads (for SPECT scanning). Wong et al reached the conclusion that evaluation of extraprostatic disease in the pelvis and lower abdomen may also be facilitated by the combined SPECT-CT images. However, the sample size of this study was too small to reach any definitive conclusion. In future, larger well designed, randomized controlled studies are required in order to definitely prove the advantage of this type of scanning in comparison to conventional Prostascint imaging. Safety and precautions Certain precautions which must be observed at the time of Prostascint imaging as   highlighted in a study by Raj et al (2002) are as follows: Prior investigations have demonstrated that 111In-capromab pendetide immunoscintigraphy is safe, with mild adverse effects and minimal increase in the levels of antibodies directed against murine antibody levels (Raj et al, 2002). There is a theoretical risk for occurrence of allergic reactions, including anaphylaxis, in patients who receive murine antibodies. Although serious reactions of this type have not been observed in clinical trials after administration of Indium In-111 Prostascint, Raj et al (2002) have suggested that emergency medications for the treatment of anaphylactic reactions should be available during admin ­istration of this agent. confirmatory trials in the future Due to difficulties in image interpretation, Prostascint imaging is associated with high rate rates of false positive and false negative image interpretation results.   Thus patient management should not be solely based on ProstaScint scan results without appropriate phase three confirmatory trials in the future. Positive Prostascint scan results should be followed by further confirmatory tests (e.g. histopathological analysis). Also these images should be interpreted only by physicians who have had specific training in Indium In-111 Prostascint image interpretation. High False positive scan rates associated with Prostascint may be detrimental to patient care by resulting in inappropriate surgical intervention in patients who had been cured of their primary cancer and have no cancer recurrence. On the other hand, inappropriate denial of curative therapy may occur in case results are not confirmed. Positive Prostascint scanning can also result in inappropriately high stage on sur ­gical staging if only areas of uptake are sam ­pled. Surgical sampling should not be limited to the areas of positive uptake, unless histologic examination Of these areas has yielded positive results Bone scans are more sensitive than Prostascint scanning for the detection of metastases to bone. Thus Prostascint scanning should not replace bone scan for the evaluation of skeletal metastases. Prostascint imaging involves use of radiopharmaceuticals, which must be used only by physicians and other health care professionals who are qualified for handling and using radionuclides. Care should be taken to minimize radiation exposure to patients and medical per ­sonnel, consistent with proper hospital and patient management procedures. Due to delayed clearance of In- 111 Prostascint and post scan localization in the bowel, blood , kidneys, and bladder, most researchers suggest that bladder   should be catheterized and irrigated when obtaining SPECT images. A cathartic must also be administered the evening before imaging the patient, and a cleansing enema should be administered within an hour prior to each imaging session. Conclusion From the above discussion it becomes apparent that Prostascint imaging using indium In-111 capromab pendetide offers important additional information to physicians who treat and manage prostate carcinoma patients. In the patients with primary disease, prostascint imaging should be considered after a definitive diagnosis of cancer has been made, prior to surgery or radiation therapy, when there is high risk for pelvic lymph node metastasis. Prostascint imaging serves as   a reliable, noninvasive means of differentiating patients with organ-confined disease from those with metastatic spread to lymph nodes and complements other indicators of metastatic disease like PSA, Gleason score etc. A positive Prostascint scan serves as an indicator for undertaking confirmatory studies  Ã‚   (biopsy of involved sites) prior to initiation of a definitive surgical procedure. In the modern era, high quality fused images (with CT or MRI) obtained from using higher-resolution gamma cameras, have confirmed the value of radioimmunoscintigraphy. However well designed randomized controlled trials in future are required to prove the exact clinical role of Prostascint imaging in cases of prostate cancer. References Hinke, G.H., Burgers, J.K., Neal, C.E., Texer, J.H., Kahn, D., Williams, R.D., et al. (1998). Multicenter radioimmunoscintigraphic evaluation of patients with prostate carcinoma using indium-111 capromab pendetide. Cancer, 83(4), 739-747. Jemal, A., Tiwari, R.C., Murray, T., Ghafoor, A., Samuels, A., Ward, E. et al (2004).   Cancer Statistics, 2004. Cancer Journal for Clinicians, 54, 8-29. Keane, T.E.,   Rosner, I.L., Wingo, M.S.,    McLeod, D. J. (2006). The Emergence of Radioimmunoscintigraphy for Prostate Cancer. Reviews in Urology, 8 (Suppl 1), S20–S28. Neal, D.E., Kelly, J.D.(2004). The prostate and seminal vesicles. In Russell, R.C.G., Williams, N. S., Bulstrode (Eds.), C.J.K.Bailey and Love Short Practice of Surgery. 24th Edition. (pp. 1370-1387). London: Oxford University Press. Raj, G.V., Partin, A.W., Polasiik, T.J. (2002). Clinical utility of indium 111-capromab   pendetide immunoscintigraphy in the detection of early, recurrent prostate carcinoma after radical prostatectomy. Cancer, 94(4), 987-96. Wolfgang, Dahnert. 2003. Radiology review manual: Nuclear medicine. 5th Edition.   Philadelphia: Lippincott Williams and Willikins: (pp.1080). Wong, T.Z., Turkington, T.G., Polascik, T.J., Coleman, R.E. (2005). Prostascint   (Capromab Pendetide) Imaging Using Hybrid Gamma Camera–CT Technology. AJR, 184, 676-680.

Nishida Kitarôs Studies of the Good and the Debate Concerning Universal Truth in Early Twentieth-C :: Philosophy Philosophical Papers

Nishida Kitarà ´'s Studies of the Good and the Debate Concerning Universal Truth in Early Twentieth-Century Japan ABSTRACT: When Nishida Kitarà ´ wrote Studies of the Good, he was a high school teacher in Kanazawa far from Tokyo, the center of Japanese scholarship. While he was praised for his intellectual effort, there was no substantive agreement about the content of his ideas. Critics disagreed with the way he conceived of reality and of truth as contained in reality. Taken together, I believe that the responses to Nishida's early work give us a window on the state of Japanese philosophy in the early twentieth century. In what follows, I give evidence for the existence of such a debate about the nature of truth and reality. After a sketch of Nishida's position (in which scientific truth is made subordinate to an all-encompassing divine truth), I outline the positions of two other contemporary thinkers: Katà ´ Hiroyuki and Takahashi Satomi. With respect to Nishida, they offer markedly different takes on the question of universal truth: Katà ´ favors an antireligious, scientific positivism w hile Takahashi accepts an existentialist notion of radical human finitude, in which human access to any certainty is denied. I conclude that one is confronted with a lively debate by Japanese philosophers inside Japan about the definition of truth and consequently about the nature of reality. Nishida Kitarà ´ (1870-1945) wrote the essays that make up Studies of the Good while a high school teacher in Kanazawa, in the hokuriku region on the Japan sea, far from the center of scholarship in Tokyo. The essays originally appeared separately in various journals and in 1911 were published in book form. From the publication of the first essay, "Concerning the Nature of Reality", in Tetsugaku zasshi, the journal of the philosophy seminar at Tokyo Imperial University, Nishida faced a number of direct and indirect critiques. While his intellectual effort was highly praisedone person proclaiming that such a level of accomplishment . . . would have been unattainable for anyone but a true scholarthere was no such agreement about the content of what Nishida had written. Critics disagreed with the way he conceived of reality and of truth as contained in reality. Taken together, I believe that the responses to Studies give us a window onto the state of philosophizing in Japan in the earl y twentieth century. The responses show that four decades into the program of opening up to the West, philosophers in Japan were in full-scale debate about the nature of truth and reality.

Information Systems Technolog Essay

Information systems technology changes and the well-managed implementation thereof can indeed be such a difficult undertaking for organizations. Though the adaptability of the employees and the management – and oftentimes, the customers as well – largely vary from one industry to another, it does remain that the shift from the old ways to the new ones is not always a welcomed development. The lessons that can be learned from the case of the Workers’ Compensation Board (WCB), as cited by the Bert Painter, are as well applicable to other companies that have similarly transformed their information systems into advanced and more efficient ones. One of the advantages afforded by better information systems is increased productivity in the workplace, which usually translates to higher income levels for the company. Not all functions, though, can be reduced to formulas and technical processes – like those of Claims Officers in WCB. But putting aside the tasks that thrive on the personal touch, creativity and imagination, as well as duties that require the exercise of judgment and the use subjective discernment, there will definitely be big changes in the entire organization. Information systems technology changes are commonly sought by management as a way to reduce wastage in terms of company resources and manpower hours, based on the accumulated employee hours devoted to such outmoded routines as sending via fax the same sheets to a number of customers. However, systems upgrading should always go with adequate change management, as cited by Bert Painter. This way, heightened efficiency at work will be achieved without causing any employee to feel displaced and demoted. The complication that goes with replacing the information and network system of a company should not be underestimated. It definitely brings in a lot of equally awkward and uneasy consequences – the necessary trainings for the employees, the shortcomings of the systems and the employees’ reactions thereto, and the removal from the organizational chart of job posts that are hence rendered useless. These issues have to be properly handled. As Prof. Khalifa has written, high-technology solutions usually are not welcomed as positive developments by people who are prone to be adverse to change. Thus, managing change involves leading the people in the organization to overcome the natural inertia that makes change not easy to implement. There are lessons, too, that Bert Painter did not so much dwell on. For one, it must be understood that the setting up of the company’s improved systems by itself will not boost the revenues generated and will not endear the company to its customers. The same improved systems also will not help the company win the loyalty of its employees. Thus, the interrelationships of people within the organization must not tend toward becoming less personal, not even if more and more old routines that used to foster camaraderie among them are becoming obsolete. Furthermore, there are alignment difficulties that will have to be dealt with during the critical learning stage. In the case of WCB, some of them already have taken form. In such a situation, it is important that professional Information Technology (IT) groups with impressive track records be tapped to address the company’s needs throughout the transition phase. It will entail costs to avail of their services, but it will save the company from losing more in terms of adverse consequences of a poorly managed transition. Without a doubt, the successful upgrading of information systems will, in the end, turn out to be the right move. Work Cited Khalifa, Mohamed. Introduction: Evolving Role of IT. Khalifa, Mohamed. Fundamentals of E-Business.

The Department Of Health Care Services - 1272 Words

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Essay on Lord Of The Flies - Setting - 680 Words

In the novel Lord of the Flies, by William Golding the setting had a very strong influence in the actions and attitudes of the characters. Setting is the defined in literature as where the story takes place. In Lord of the Flies, the setting is on a deserted tropical island in the middle of the ocean, where a microcosm is able to be established. Three specific examples of how setting influenced the actions and attitudes of the characters are: The isolation from a civilized world, the mysteries of an unfamiliar place, and different social types being forced to live with one another. How these examples are to be proven will be developed in the following paragraphs. Being on an island in the middle of the ocean, cut off the life line,†¦show more content†¦The crave for the hunt over being rescued, and the demotion of Ralph as chief. The mysteries of the island also had a huge impact on the actions of the boys. 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D.W. Griffiths Movie, Birth of a Nation Shows the Reality...

Birth of a Nation uses its histrionic plot to show how tangled destinies of a southern and northern family before and after the Civil War. It willingly portrays southern blacks as spiteful and uncivil, the northern whites as crafty, dishonest, and conceited, and the film’s southern whites as anguish recurrent radical and erotic mortifications at the hands of white northerners and black southerners before factually being saved by the thoughtful, Ku Klux Klan. The film is divided to show the different aspects of those two sides during this historical time. During this time Africans were coming to America and it started the reconstruction on our country. D.W. Griffith made this film to show us the reality of racism at this point in time.†¦show more content†¦This movie in particular was three hours long, for most viewing a three hour film with speaking is draining. Seeing that I could barely endure my focus on what was being shown. I decided to divide the movie up into t hree days for an hour. For those days I took notes and really analyzed what I thought was wrong and miss told. In the movie the embellishments about Africa Americans was misguiding. The beginning of the second half, the whites were holding up signs stating they wanted â€Å"Equal rights, equal politics and equal marriages.† Realistically speaking, we all know that was not the case. For the most part whites only wanted that for themselves not for the whole community. The way that Griffith tried to reveal whites was in a way that said they were in favor for equal rights for all. That they were the â€Å"helpless white minority.† And to be quite honest I think that’s pushing it. â€Å" Some of these early productions have racial themes which reorganize the world in such a way that black heritage is rewarded over white paternity; they are schematic renunciations of the prevailing order of things in white American society where, historically, the discovery of black blood meant sudden reversal of fortune, social exclusion, or banishment.† (Gaines, P.3) Within the movie the amount of mistruths about African Americans was sad. Within the movie you notice that the blacks were always or seem to be yelling, acting uncivilized and doingShow MoreRelatedRacism Enacted Throughout the History of Black Films Essay1254 Words   |  6 PagesAfrican Americans in early Hollywood films originated with blacks representing preconceived stereotypes. D.W. Griffith’s 1915 film, Birth of a Nation, stirred many controversial issues within the black community. The fact that Griffith used white actors in blackface to portray black people showed how little he knew abou t African Americans. Bosley Crowther’s article â€Å"The Birth of Birth of a Nation† emphasizes that the film was a â€Å"highly pro-South drama of the American Civil War and the Period of ReconstructionRead MoreSatire and Stereotyping in the Birth of a Nation and Bamboozled3034 Words   |  13 Pageshumiliating minstrel stereotypes which was first brought to film in 1915 by D.W. Griffiths The Birth of a Nation. ‘Blackface minstrelsy is a disturbing legacy that began as a tradition in the early 1800s on stage, with white actors using burnt corks to darken their skin and allowing them to portray African-American slaves, usually as lazy, child-like providers of comic relief (4). This eventually evolved into Vaudeville-style parody shows consisting of songs, dances and comic skits. This tradition representedRead MoreRacism and the Ku Klux Klan Essay1663 Words   |  7 PagesRacism and the Ku Klux Klan Since the early development of society in the United States, racism has always been a divisive issue faced by communities on a political level. Our country was built from the immigration of people from an international array of backgrounds. However, multitudes of white supremacists blame their personal as well as economic misfortunes on an abundance of ethnic groups. African-Americans, Jews and Catholics are only some of the of groups tormentedRead MoreRace Film : The Great And Only Essay10250 Words   |  41 PagesChapter One Race Films as a Genre in American Cinema â€Å"Most people pronounced his last name ‘Mee-show,’ though some who knew him insist it was ‘Mi-shaw.’ The correct pronunciation of his name is only the beginning of the ambiguities and mysteries associated with Oscar Micheaux† Patrick Mulligan—Oscar Micheaux: The Great and Only: The Life of America s First Black Filmmaker From the very beginning of the early stages in American cinema, African Americans had a presence on the silver screen. The

The Importance Of Critical Thinking Skills Education Essay Free Essays

string(121) " most prima or developing states like the United States, England and Singapore \( Nagappan, 2001 ; Willingham, 2007 \) \." Moore viewed critical thought accomplishment is highlighted as an indispensable foundation to bring forth womb-to-tomb scholars for Twentieth Century acquisition. This chapter will discourse on the importance of critical thought accomplishments, critical thought and employability, execution and challenges of learning critical thought in Malaysia every bit good as theory and schemes to learn critical thought. This chapter will besides lucubrate further on the interconnectedness between engineering, linguistic communication and higher order believing accomplishments, argumentative cognition acquisition and eventually, depict the Toulmin ‘s Model. We will write a custom essay sample on The Importance Of Critical Thinking Skills Education Essay or any similar topic only for you Order Now The importance of critical thought accomplishments Harmonizing to Edmonds et Al. ( 2005 ) , critical thought has many definitions over the past old ages ; nevertheless, it can be concluded as an active mental procedure that includes mental accomplishments such as conceptualizing, analysing, using, synthesising and measuring information in order to emerge with an reply or decision. Everyone needs to hold an ability to work out jobs throughout their lives. Therefore, many educational experts have stressed on the importance of transfusing higher order believing accomplishments in one ‘s instruction as it helps pupils to analyze the state of affairs, learn the undertakings better before emerge with solution both in academic and non-academic fortunes ( Chance, 1986 ; Tama, 1989 ; Ennis, 1992 ; Elder A ; Paul, 2001, ) . This is because believing and larning are interrelated as one has to independently believe and seek solutions to a job or state of affairs in order to derive cognition. Research findings indicate that critical thought accomplishment can be taught and improved in everyone and this accomplishment should be integrated in the course of study at all degrees ( Grant, 1988 ; Paul et al. , 1989 ; White, Burke, 1992 ; McKendree et al. , 2002 ) . Sternberg ( 2003 ) stated that one of the ends of instruction is to bring forth womb-to-tomb scholars who posses the qualities of intelligent, critical minds which is believed to be able to believe independently, analytically and critically to see a better calling accomplishment in order to derive personal satisfaction and hopefully, contribute to national accomplishment to develop his state. This is because larning is an on-going procedure that may happen in academic and non-academic fortunes. Without critical thought accomplishments, Sternberg ( 2003 ) further elaborated that schools and universities will merely bring forth extremely fleeceable pupils and alumnuss who may be knowing, but deficiency of the accomplishments to believe critically and analytically over a state of affairs. This is because they are merely passively having information exhibited by the political leaders as information can be easy transmitted by the media via assorted signifier in this epoch of rapid develop ment of Information Technology ( IT ) . Without ability to believe critically, they besides would subsequently confront some jobs when they become employees as they need to pass on well-reasoned thoughts and would non be able to actively lend to educational treatments due to hapless communicating accomplishments and deficiency of analytical logical thinking to a state of affairs at manus ( Education Reform in Malaysia Report, 2012 ) . Critical thought and employability Paul ( 1995 ) claimed that critical thought is a critical foundation to the accommodations needed for mundane societal, personal and professional demands of the twenty-first Century. It is further supported by Elder ( 2000 ) who claims that it is of import to learn higher order believing accomplishments to pupils in schools and universities as today ‘s society has become more complex due to rapid alteration in engineering. The society demand to be able to analyze the huge information that can be gathered effortlessly via online and merely choice necessities from it ( Chartrand, 2009 ) . Henwood ( 2007 ) claimed this state of affairs besides applied in twenty-four hours to twenty-four hours existent life state of affairss. Hence, he farther stated that pupils who are ill-equipped with critical thought accomplishments will non be able to get by with the challenges and demands of current occupation market. This is because higher order believing accomplishment is believed as one of the most indispensable soft accomplishments for future employability of the new coevalss. â€Å" aˆÂ ¦workplace literacy in the following millenary will be synonymous with job resolution. † ( Mariam Jean Dreher, 2000 ) Mariam Jean Dreher ( 2000 ) predicts that the hereafter will name for a life style ; both in instruction and calling field ; of independent job convergent thinkers that requires multiliteracies which involves higher order believing accomplishments. In Malaysia, the research findings claim that critical thought accomplishment is extremely valued in the workplace today ( DETYA, 2000 ; Chartrand, 2009 ) . Norshima ( 2011 ) studies that Malaysia produces 60, 000 alumnuss yearly in which at least 30 per centum of these alumnuss are unemployed every twelvemonth as they are lacked of these powerful accomplishments. This is farther supported by Gurvinder Kaur and Sharan Kaur ( 2009 ) who claimed that in Malaysia, six out of 10 university alumnuss take every bit much as six months to be employed due to miss of critical thought accomplishments and hapless communicating accomplishments. Fong ( 2004 ) and Vijan ( 2007 ) findings stated that the grounds that Malayan alumnuss are unemployed because they are non able to affect their possible hereafter employers during interview due to hapless presentation and communicating accomplishments particularly if it is done in English. Besides, Malayan instruction system is said to be excessively exam-oriented and therefore, the alumnuss could non lend every bit much once they start working as they are merely theoretically competent but non equipped with sufficient practical exposure ( Henwood, 2007 ) . This is farther supported by Rosnani ( 2009 ) and Education Reform in Malaysia Report ( 2012 ) findings which stated that employers in Malaysia, specifically in concern sector, complain about the low quality of most alumnuss from Malaysia are lacking in footings of critical thought accomplishments which in return affect the quality of their work. Execution of critical thought in Malaya Due to the uprising employees ‘ concern over the lacking of this powerful soft accomplishment amongst newly alumnuss employers globally, course of study of educational system has been bit by bit revamped over the old ages. This state of affairs is particularly true in most prima or developing states like the United States, England and Singapore ( Nagappan, 2001 ; Willingham, 2007 ) . You read "The Importance Of Critical Thinking Skills Education Essay" in category "Essay examples" The demand to instill critical thought accomplishments into Malayan instruction system is therefore undeniable in order to carry through Vision 2020. This demand is supported by Rosnani ( 2009 ) who proclaims that Malaysians, in general, have non been able to use the content of cognition gained throughout their school old ages into existent life state of affairss even after undergone at least 11 old ages of schooling and hence, Malaysia educational system demand to be analysed and some alterations nee d to be made. Ministry of Education ( MOE ) has realised the dismaying demands of the aforesaid state of affairs and therefore, Integrated Curriculum for Secondary School ( KBSM ) was introduced in the late eightiess ( Nagappan, 2011 ) . The content of this new course of study was revamped in which originative and critical thought accomplishments were integrated in most of the topics taught in schools with a emphasis on treatment, find and enquiry ; the higher round of Bloom taxonomy ( Curriculum Development Center, 1989 ) . As it is realised that the instructors need to be competent to learn critical thought accomplishments to the pupils, a few attempts were besides been conducted as to fix the instructors and teachers-to-be with the new undertaking in front of them. As educational findings have reported that most instructors in Malayan schools are missing in footings of cognition and accomplishments to learn critical thought accomplishments to their pupils ( Education Reform in Malaysia Report, 2012 ) , a few amendments have been made to meet this job from the instructor ‘s portion. Nagappan ( 2001 ) studies that Teacher Education Division ( TED ) had revamped the course of study for Teacher Training Programme such as in Post Degree Teaching Programme ( KPLI ) in early 1994 to integrate a programme that teaches the schemes to learn believing accomplishments utilizing the extract attack which is based on Boston Model. As for the instructors in schools, Ministry of Education ( MOE ) had introduced the Programme for Instruction in Learning and Thinking Skills ( PILTS ) in 1992 ( Rosnani, 2009 ) . This programme was introduced to place the nucleus thought accomplishments to be taught and the schemes to inculcate these accomplishments into the content of the lesson being learnt. Apart from that, Ministry of Higher Education ( MOHE ) has besides made an effort to cultivate undergraduates ‘ critical thought accomplishments through the content and undertakings assigned throughout each programme. Harmonizing to Hairuzila, Hazadiah A ; Normah ( 2010 ) , the course of study for undergraduates has been infused with relevant soft accomplishments such as communicative accomplishments, critical thought and job resolution accomplishments, womb-to-tomb acquisition, squad work force and leading accomplishments into its course of study. They further elaborate that in order to aline with Vision 2020 of bring forthing holistic persons for the state, the appraisals or undertakings given to the undergraduates are geared towards fixing them for their calling life as most are based on real-life jobs, with less emphasis on pen and paper trials like antecedently. Challenges in learning critical thought accomplishments in Malaya Due to the exam-oriented civilization that has been practised for old ages in Malayan instruction system, instructors are shouldered with the duty to complete the course of study and give every bit much boring exercisings as they can to their pupils as to maintain up with the society ‘s outlook and over-emphasis on academic consequences. This in return has caused the instructors paying the least attending to pupils ‘ character edifice and soft accomplishments such as critical thought accomplishment ( Education Reform in Malaysia Report, 2012 ) . It can be seen here that Malayan instructors are non merely missing in footings of accomplishments to learn critical thought accomplishments ( Rosnani, 2009 ) , but besides are less than competent to fix and carry on a lesson that infuses critical thought accomplishments in a traditional schoolroom. This is due to the fact that learning critical thought accomplishments needs a batch of clip allotment during the pre-preparation cat egory and undivided committedness both of portion of the instructor and pupils to guarantee an active advancement during the acquisition procedure ( Willingham, 2007 ) . Apart from that, large size schoolrooms in most Malayan schools are besides one of the grounds that contribute to the failure of incorporating critical thought accomplishments in learning a topic in traditional schoolroom. A study done by Kamaruddin ( 2011 ) stated that schoolroom in Malayan schools are by and large consists of 35 to 50 pupils per schoolroom. This indirectly shows that most pupils will look as inactive scholars and synergistic activities that are believed to cultivate pupils ‘ critical thought can non be good conducted in such large size category. In contrast, many surveies have shown that a little size category of 20 pupils and below are said to be efficient and frequently associated with increased pupils ‘ public presentation and therefore, most likely leting smooth nurturing procedure of their soft accomplishments ( Carson, Badarack, 1989 ; Berliner, 1990 ; Kamaruddin A ; Bhasah, 2004 ) . The force per unit area to accomplish excellence in academic consequence in a less contributing environment in most of Malayan schools left the instructors with no pick but to fall back rehearsing teacher centred attack in go toing their duties. Hence, pupils are non given ample chance to see synergistic, active acquisition that could really assist to cultivate their critical thought accomplishments ( Kamaruddin, 2011 ) . Teacher centred attack, in return, will undeniably do one-way cognition transmittal to happen and hence, less opportunities being given to the pupils to convey their sentiments to actively build their ain cognition ( Willingham, 2007 ) . Without chance to actively build ain cognition, one is said to pay less attending to cultivate and foster his ain critical thought ( Toulmin, 1958 ) . Due to this state of affairs, most of Malayan pupils who are subsequently become employees are said to hold hapless communicating accomplishments and this visibly shows in their defic iency of ability to critically reassigning an sentiment or cognition when pass oning with others ( Education Reform in Malaysia Report, 2012 ) . Educational Learning Theory and Schemes Due to that, instructors ‘ manner of learning should pitch towards incorporating higher order believing accomplishments and rehearsing positive communicating accomplishments in order to bring forth holistic persons align with Vision 2020. Woolfolk ( 1993 ) suggests that theoretical foundation of acquisition and schemes used in a acquisition procedure will assist to model the type of pupils that a instructor wants to foster. Lai ( 2011 ) suggests the instruction of higher order believing accomplishments should be based on the followerss: Constructivism Theory Bruner ( 1996 ) stated that the basic thought of constructivism is that scholars actively construct ain apprehension by accepting certain experiences and choosing necessities from assorted beginnings of cognition. Naismith et. Al ( 2006 ) besides claimed that constructivism attack is about constructing new cognition upon what have been gathered in old acquisition. Woolfolk ( 1993 ) stated that constructivist larning theory indirectly learning the pupils to â€Å" larn to larn † as it involves believing procedures in which pupils need to be able to travel beyond the information given, use their ain cognition, evaluate opinions before generate new thoughts out of it. Students are required to actively affect in the acquisition procedure to develop their thought accomplishments through their experiences in schools ( Prawat, 1991 ) . Lai ( 2001 ) stated that constructivism can be used as a foundation to foster one ‘s higher order believing accomplishments via self-questioning , analyzing written papers for comprehension and besides holding collaborative treatments with equals. Social Constructivist Theory Social Constructivist Theory, on the other manus, is a theory that states each single cognitive development is at its best when one constructs the significance of new cognition by actively take parting in building and sharing the cognition through communicating with others ( Burningham A ; Cooper, 1999 ) . These theories believes that equal to peer treatment will assist one to actively build new cognition and learn by sharing and discoursing the stuffs gathered in a positive societal environment ( Schwandt, 2003 ) . Problem Based Learning ( PBL ) Teaching critical thought accomplishments is normally being paired with Problem Based Learning attack as it triggers and provokes scholars ‘ thought as to make to a solution to a job with relation to daily state of affairss ( Woolfolk, 1993 ) . Problem Based Learning ( PBL ) attack teaches pupils to believe critically as it takes existent universe fortunes which normally involves experiential, inductive acquisition that requires oppugning and believing that is purposive and purposive ( Lai, 2011 ) . More frequently than non, it involves a undertaking that encourages the scholars to â€Å" larn to larn † which is an of import constituent in constructivist attack ( Kuhn, 1999 ) . This necessarily will promote active larning procedure including through speaking, brainstorming and in-depth probe of cognition via legion collaborative acquisition experiences. Collaborative acquisition A figure of critical thought research workers recommended that societal experiences in a learning procedure can significantly lend to one ‘s cognitive development procedure which obviously occurred in a collaborative acquisition attack ( Heyman, 2008 ; Thayer-Bacon, 2008 A ; Nelson, 1994 ) . This is farther supported by Woolfolk ( 1993 ) who claimed that collaborative acquisition is fundamentally based from Piagetian and Vygotsky theory which reciprocally agree that societal interactions extremely contribute to one ‘s cognitive development procedure. In a collaborative acquisition, it is believed that Piaget theory is applied in footings of its instructional facet in which scholar ‘s cognitive development can be triggered via interactions with another individual of a higher developmental phase which is usually the instructor or a more knowing equal ( Woolfolk, 1993 ) whilst Vygotsky belief is identified in footings of one ‘s zone of proximal development that distinguishes between what an person can achieved by himself and what can be accomplished via interactions with a more competent equal or grownup ( Nelson, 1994 ) . Thayer-Bacon ( 2008 ) further viewed that societal interactions with others in collaborative acquisition is an of import facet to instil critical thought accomplishments onto pupils as they need to constructively contribute and portion sentiments and at the same clip learn to esteem other parts during group treatments. Collaborative Problem Based Learning ( CPBL ) Gokhale ( 1995 ) findings stated that pupils who are actively engaged in a collaborative undertaking demonstrate better Higher Order Thinking Skills ( HOTS ) as compared to the 1s who work separately. This determination is farther supported by Vygotsky ( 1978 ) who claimed that collaborative acquisition helps to further the development of critical thought accomplishments via treatment, justification of thoughts and analyzing other ‘s positions. A few research findings have shown that uniting collaborative attack on job work outing learning scheme has really increase pupils ‘ meta-cognitive on work outing the jobs and therefore, better their higher order believing accomplishments ( Johnson A ; Chung, 1999 ; Mergendoller et al. , 2000 ) . They further elaborate that the interaction between equals about the job at manus, brainstorming for solutions and measuring each other ‘s positions during the procedure has encouraged more frequent coevals of thoughts and solution and therefore, allow pupils to believe critically and analytically. Collaborative acquisition, as defined by Correndo and Alani ( 2007 ) , is an instructional scheme that consists of pupils from assorted proficiency degrees work together in a group while assisting each other towards accomplishing one common aim or larning result. On the other manus, Problem Based Learning is an instructional teaching method that uses job as a larning context to dispute the pupils to â€Å" larn to larn † in order to happen solutions to the job ( Duch, Groh A ; Allen, 2001 ) . Hence, Collaborative Problem Based Learning ( CPBL ) is a combination of Collaborative Learning and Problem Based Learning which can be concluded as an instructional scheme that provides chances for the pupils to work within little groups and actively take part in assorted activities including treatments a state of affairs, analyzing others ‘ positions and eventually collaboratively measuring possible solution to the job at manus ( An, 2006 ) . The advantages of CPBL CPBL encourages pupils to work together in building new cognition to seek a solution of the job at manus. Hence, pupils are given huge chances to go critical minds by sharing thoughts and actively prosecuting oneself in treatments and be responsible of their ain acquisition every bit good as others ‘ ( Totten, Sills, Digby, A ; Russ, 1991 ) . This place is farther supported by Johnson and Johnson ( 1986 ) who stated that the coaction on job work outing promotes higher degree of thought as the participants need to analyze others ‘ sentiment before clear uping ain sentiment. They farther claimed that this helps to advance longer cognition keeping as compared to the 1s who worked separately to seek cognition. Besides, An ( 2006 ) besides stated that CPBL provides reliable larning experiences every bit good as fostering their communicating accomplishments while interchanging thoughts during the treatments. Hence, CPBL helps to further autonomous acquisition accomplishments that could be utile to assist pupils go womb-to-tomb scholars and critical minds ( Norman and Schmidt, 1992 ) . Albanese and Mitchell ( 1993 ) besides proposed that pupils who undergone CPBL attack performed better than the 1s who received traditional attack in larning as they have first manus experience that rewards them with in-depth understanding about the undertaking at manus. This is believed because the pupils actively building their ain cognition via interaction with their equals ( Smith A ; MacGregor, 2001 ) . Vygotsky ( 1978 ) besides views that instructor is non the lone cognition sender that the pupils can larn from ; equal instruction is besides one of the ways to promote active acquisition. The restrictions of CPBL Despite of these benefits, CPBL attack besides has its just portion of defects when it is being applied in a traditional schoolroom. In any group activities, particularly in a traditional schoolroom as it is rather hard for the instructor to accurately measure every pupil ‘s parts to the group, there is ever freeloading jobs. The freeloading members normally take credits of the work of others and this may do struggle amongst pupils ( Bower A ; Richards, 2006 ) . Bower and Richards ( 2006 ) further stated that this may diminish some assurance of some pupils as psychologically, every pupil demand to be acknowledged where recognition is due in order for them to foster build their ain cognition in an active mode. They besides claimed that it is about impossible for the instructor to reasonably administer the grade based on every pupil ‘s part to the group. Hence, this may either do some pupils to either frustrated for being credited below the belt and subsequently de-motivated to lend in the hereafter or worse, become freeloaders and merely basking the free tiffin ( Bonwell, 2006 ) . Other than that, since CPBL activities need the pupils to collaboratively work towards accomplishing a end or solution to a real-life job, the readying of these activities are usually take great attempt and commitment both from the instructor and pupils. This is difficult to accomplish if it were to be done in a traditional schoolroom due to clip and infinite restraint ( Bonwell, 2002 ) . Apart from learning, Malayan instructors particularly, are burdened with other excess course of study or out of-school activities that take a batch of their personal clip ( Rosnani, 2009 ) . Without proper readying, CPBL that is hoped to promote pupils to actively build their ain cognition and at the same clip fostering their higher order and communicating accomplishments may non be turn into an accomplishable terminal ( Hmelo-Silver, 2004 ) . This is farther supported by Smith and MacGregor ( 2001 ) who claimed that collaborative acquisition is a fantastic attack to promote critical thought, nevert heless, it is besides may make quandary between pupil ‘s procedure of acquisition and the coverage of the lesson ‘s content. Computer Supported Collaborative Learning ( CSCL ) Due to the rapid development of Information Technology ( IT ) in this modern age, these twenty-first Century pupils ‘ manner of acquisition has besides changed ( An, 2006 ) . Today, one of the ways to back up active acquisition can be materialised in a more fun manner through the usage of engineering tools. Computer Supported Collaborative Learning ( CSCL ) is an instructional scheme infused with constructivist attack to learning and larning utilizing engineering to back up coaction in order to make a more contributing and prosecuting larning atmosphere ( Johnson A ; Johnson, 1996 ) . They farther stated that a technology-rich acquisition environment is able to increase pupils ‘ societal interaction, cooperation and coaction and therefore, promote their cognition building. Harasim, Hiltz, Teles, and Turoff ( 1995 ) besides claimed that CSCL promotes on-line collaborative acquisition that may positively promote pupils ‘ towards active acquisition. This is because pu pils can acquire information about effortlessly via online and so discourse with their equals before emerge with a solution to a job. CPBL in an online environment In this epoch of rapid development of Information Technology ( IT ) , there have been attempts to unite CPBL into CSCL environment ( An, 2006 ) . Many research findings have indicated that CPBL in an online environment has been demoing positive effects towards pupils ‘ cognition building every bit good as societal interaction accomplishments. One of the fringe benefits by using CPBL into an on-line environment, apart from treatment with the teacher and their equals via online with no limitation to clip and topographic point, is that it encourages autonomous larning amongst pupils as it provides pupils with huge choices of information needed about effortlessly ( Bonk A ; King, 1998 ) . This is because it allows the pupils to larn via Web 2.0 tools as larning AIDSs such as electronic mails, on-line group treatment in the confab suites, collaborative authorship via Wiki, societal bookmarking and so forth to go on anytime and anyplace. This limitless and easy entree on information will open ways for the pupils to accommodate to autonomous acquisition and therefore, promote active cognition building to happen. Besides, this online larning environment allows the function of the instructor as the exclusive supplier of cognition to transform into the function of facilitator, which aligns absolutely with student-centred attack in PBL ( Vrasidas A ; McIsaac, 2000 ) . Here, pupils are encouraged to build their ain cognition with small counsel from the instructor and go an active subscriber towards their ain acquisition alternatively of passively having cognition from anyone else. This attack opens manner to cultivate one ‘s higher order believing accomplishments ( Harasim et al. , 1997 ) as it besides promotes positive interaction between the instructor and the pupils ( Relan A ; Gillani, 1997 ) . Most significantly, Althaus, ( 1996 ) viewed that CPBL in an online environment allows computing machine mediated communicating that gives an ample clip for the pupils to analyze, reflect the content of the treatment, happen excess information needed via online and evaluate others ‘ sentiments before supplying a thoughtful response. The treatment via online besides allows the pupils to make self contemplation at their ain convenient clip as they can publish out the treatment due to its permanency discourse, as opposed to confront to confront treatment ( Bonk A ; King, 1998 ) . Bower and Richards ( 2006 ) stated that one of the restrictions of utilizing PBL in a traditional schoolroom is that the collaborative treatment in a traditional schoolroom frequently consequences in off-task behavior amongst pupils. In contrast, many research findings have proven that pupils emit less off-task behavior in an on-line treatment and they tend to concentrate and intently work outing the job at manus ( Angeli et al. , 2003 ; Bonk et al. , 1998 ; Bonk A ; King, 1998 ; Bonk et al. , 2004 ) . In fact, many psychological surveies have indicated that collaborative treatment via online shows more engagement from the pupils than the face to confront treatments ( Bonk A ; King, 1998 ; Chong, 1998 ; Cooney, 1998 ) . This state of affairs is particularly true for the pupils who have shy personality or deficiency of ego assurance to speak publically. Leasure et Al. ( 2000 ) proposed that this could be due to the comfy and â€Å" safe † societal acquisition environment that the on-line atmosphere provides for these pupils. Here, it can be said that CPBL in an on-line environment is a possible acquisition attack to advance positive alterations in cultivating critical thought every bit good as to promote one ‘s societal interaction with others. 2.8 Language larning issues in Malaya In traveling towards carry throughing Vision 2020, instruction system in Malaysia is undergoing a few alterations as to bring forth holistic persons who are competent physically, emotionally, spiritually and intellectually ( Education Reform in Malaysia Report, 2012 ) . Along with the alterations introduced, Ministry of Education ( MOE ) has decided to incorporate the instruction of critical thought accomplishments within the course of studies of the topics taught in schools including English topic. The alterations is hoped to bring forth womb-to-tomb scholars who are able to believe critically and analytically over a given state of affairs. Sadly, nevertheless, the result of our instruction system has proven a contrasting consequence in which most of Malayan pupils and university undergraduates are said to be lacking in footings critical thought accomplishments and show hapless communicating abilities particularly when it is done in English ( Normazidah, Koo A ; Hazita, 2012 ) . A survey by Koo ( 2008 ) revealed that this is due to the fact that Malaysians schools in general, placed a high value of importance on national scrutiny. This has indirectly caused the English instructors to concentrate on the instruction of grammar, reading a transition and composing accomplishments instead than concentrating on the communicative facet of the linguistic communication itself, allow entirely to model pupils ‘ critical thought ability while larning the linguistic communication ( Normazidah, Koo A ; Hazita, 2012 ) . This is farther supported by Amigapathy ( 2002 ) findings on his analysis of KBSM course of study which indicated that the content of current course of study requires the pupils to larn excessively many grammatical constituents which subsequently are to be tested in scrutinies. Here, it can be seen that the instruction of English is chiefly focused on the mechanical facet of the linguistic communication without doing any connexion with how it should be used in existent life communicative events. He farther documented that in order to carry through the demands of the society to bring forth pupils with good classs in scrutinies, English instructors in Malaysia frequently resorted to teacher-centred attack in learning the linguistic communication by supplying chalk-and-talk boring method of past twelvemonth documents, manus outs and infinite paper exercises. This finally will necessarily bring forth scholars who know about the linguistic communication but do non cognize how to utilize it in existent life state of affairss ( Amigapathy, 2002 ) , show limited critical ability in analyzing and reacting to an academic transition ( Ahmad Mazli Muhammad, 2007 ) as pupils are merely exposed to come up attack to reading ( Noorizah Mohd Noor, 2006 ) . Here, it can be concluded that there is a mismatch between the policy made with the existent practise of instruction and acquisition of English in Malaysia which make it rather hard to bring forth scholars as critical minds with acceptable degree of English proficiency. This state of affairs is reported leads to a greater job when the pupils make the passage from secondary school to university as the pupils will confront jobs to travel off from school spoon-feeding learning civilization ( Normazidah, Koo A ; Hazita, 2012 ) . Research surveies have indicated that most Malayan pupils are non prepared to run into the academic demand that requires them to hold both linguistic communication literacy every bit good as critical literacy ability in order to carry through the academic reading and academic authorship undertakings imposed on them at university ( Rosniah Mustaffa, 2006 ; Krishnakumari, Paul-Evanson, A ; Selvanayagam, 2010 ) . Therefore, it is safe to state that the clip has come for Malayan instructors to handle the pupils as the focal point of linguistic communication acquisition by doing a little alterations in learning the linguistic communication and at the same clip, whenever possible, supplying a contributing environment of larning. As CPBL is geared towards cultivating one ‘s critical thought ability ( An, 2006 ; Totten, Sills, Digby, A ; Russ, 1991 ) and critical thought accomplishments is viewed as important portion in the acquisition of linguistic communication accomplishments ( Elder A ; Paul, 2006 ; Shaharom Abdullah, 2004 ; Moore, 1995 ) , it merely seems appropriate to accommodate CPBL attack in the instruction and acquisition of English in Malaysian schoolrooms. Besides, linguistic communication acquisition can besides be mediated via engineering tools because as mentioned earlier, CPBL in an on-line environment brings enormous advantages and benefits to the pupils in footings of cr itical thought and linguistic communication acquisition as it involves legion chances for societal interactions amongst the pupils and pedagogue. Technology, linguistic communication acquisition and critical thought Technology has besides been proven utile in the instruction of linguistic communication and development of one ‘s critical thought at clip and infinite convenient to both the instructor and pupils ( Cheong A ; Cheung, 2008 ) . For case, the treatments in the treatment boards or chew the fat suites between the pupils and the instructor and besides between pupils have been used as a medium to positively develop pupils ‘ communicating accomplishments every bit good as linguistic communication accomplishments ( Chitravelu, Sithamparam and Teh, 2005 ) . Kroop, Nussbaumer and Fruhmann ( 2010 ) reported that the development of Web 2.0 tools are able to better one ‘s linguistic communication skills every bit good as support one ‘s critical thought accomplishments development by leting its users to make collaborative treatment that includes discussing, reasoning, reexamining, measuring, composing and re-producing an thought. By utilizing Web 2.0 tools such as electronic mails, treatments in confab suites or treatment boards that could be done either synchronously or asynchronously, pupils become more participative and therefore, bettering their linguistic communication and communicative accomplishments ( Berry, 2006 ) . Another Web 2.0 tools that is often used in an on-line environment to learn linguistic communication is Wiki. Wiki is said has the potency to better pupils ‘ linguistic communication accomplishments every bit good as communicating and thought accomplishments ( Goodings, 2008 ) . Fuchs-Kittowski and Kohler ( 2005 ) mentioned that Wikis is able to ease the collaborative treatments that encourage coevals of cognition by supplying a medium to portion creative activity and edit paperss. Bruns and Humphreys ( 2005 ) besides added that Wiki is a learning tool that support societal constructivist larning as it allows argumentative-based larning experience ( Chong A ; Yamamoto, 2006 ) , facilitates knowledge determining ( Reinhold, 2006 ) , allows coaction ( Kim et al. , 2006 ) and allows enquiry acquisition and collaborative building of cognition ( Yukawa, 2006 ) . This procedure is known as Argumentative Knowledge Construction. Knowledge building within a traditional schoolroom is frequently relied to a great extent on the instructors which necessarily produce inactive scholars who may or may non be able to critically decode the cognition received to use it in existent life state of affairs ( Weible, 2011 ) . By utilizing Web 2.0 tools, on the other manus, it encourages and facilitates active engagement of each user as everyone has a just portion and chance to make, portion, edit, add on and go through the cognition and these actions reinforce single ‘s cognition building by actively larning from others ( Correndo A ; Alani, 2007 ) . Besides, Web 2.0 tools value are increased as the more people are utilizing it as the content cognition and the information are provided chiefly by the users and construct up over the clip with other users ‘ part ( Weible, 2011 ) . This procedure encourages argumentative cognition building amongst its users as they learn from each other and develop higher other bel ieving accomplishments as the users need to measure others ‘ sentiment apart from offering one in the treatment. This is in line with constructivism attack in which larning takes topographic point and retain longer when it is achieve via societal context ( Woolfolk, 1993 ) . Argumentative Knowledge Construction Harmonizing to Weinberger and Fischer ( 2006 ) , Argumentative Knowledge Construction is described as a manner for the pupils to build their ain cognition via educational debate and interaction with their learning spouses. They besides stated that each single cognition building is depends on is refined and evidenced throughout their active engagement in analyzing sentiments of others, measuring possible solutions or results available from emerge with ain point of views via treatment and debate with equals. Argumentative Knowledge Construction in CPBL Aalst ( 2009 ) stated that Argumentative Knowledge Construction is a procedure in which the pupils solve a job and concept meaningful comprehension of a peculiar state of affairs in relation to their anterior cognition by societal interaction within a peculiar group. He farther added it involves a huge sphere of cognitive procedures as it involves critical-explanation seeking oppugning techniques, construing and analyzing new information, sharing, knocking, reorganizing thoughts, sum uping and synthesising before emerge with a new construct of the affair. In CPBL, for illustration, pupils learn by take parting in experiential acquisition and garner the indispensable cognition by work outing a job and reflecting on their collaborative experiences ( Hmelo-Silver, 2004 ) . CPBL activities encourage pupils to work in little collaborative groups in order to look into, understand, explicate and happen a solution to meaningful, real-life contexts ( Barrow, 2000 ) . He farther viewed that CPBL attack is widely used to cultivate one ‘s critical thought accomplishments as its acquisition procedure starts by showing the pupils with a job scenario in which the pupils try to work out the job collaboratively by place the lacks within the job, sharing sentiments and facts before coming out with hypotheses as to critically supply solutions to the job. Therefore, it can be said that CPBL is a suited attack to learn pupils to develop schemes in work outing jobs which may heighten their critical thought ability and besides assist them to heighten their argumentative cognition building ( Hmelo-Silver, 2004 ) . Argumentative Knowledge Construction in CSCL Student ‘s argumentative cognition building procedure can be enhanced rather expeditiously through pupils ‘ treatments and composing with the assistance of fast growing and spread of Web 2.0 engineering, particularly in linguistic communication instruction and acquisition ( Stegmann et al. , 2007 ) . Bocconi ( 2010 ) proposed that CSCL may help to the Argumentative Knowledge Construction via the usage of Web 2.0 tools integrates with societal package to ease pupils interaction and coaction within a peculiar group. This is an accomplishable state of affairs as Web 2.0 tools such as weblogs, wikis, societal bookmarking, treatment boards, societal networking sites and others allow its users to pool information that triggers communications that leads to knowledge sharing and therefore, cognition is constructed ( Strijbos, Martens and Jochems, 2004 ) . Apart from that, the research conducted by Boulos et Al. ( 2006 ) stated that Wikis have the possible to ease autonomous acquisition of one to build ain cognition in order to derive deeper apprehension over a affair. Another research done by Bocconi ( 2010 ) shows that the usage of Web 2.0 tools, the Wikis to be specific, has shown positive consequence to catapult pupil ‘s argumentative cognition building procedure by analyzing the quality and frequence of the single argumentative Acts of the Apostless throughout the procedure. This is farther supported by Armin et Al. ( 2006 ) who claimed that by utilizing Wiki, pupils learn how to reason within a sphere and facilitates scholars in building their ain cognition and this taking them to a deeper apprehension. Bocconi ( 2010 ) stated that pupils ‘ higher order believing accomplishments are evidenced via their statements throughout the treatment procedure. He farther suggested that one of the methods to analyze and supervise pupils ‘ statement that emits their degree of higher order believing accomplishments can be done by utilizing Models of Argument such as Toulmin ‘s Model Models of Argumentation Model of Argumentation is defined as the basic layout as to sketch the best possible ways to organize an effectual procedure of common sense logical thinking or controversy in supplying a persuasive point of views ( Georgia State University, Department of English, 2008 ) . There are a few theoretical accounts of debate that are widely used in educational discourse in linguistic communication acquisition viz. the Classical Approach, the Rogerian Approach and the Toulmin Approach. The Classical Approach is fundamentally used to convert the audience to hold and take side or do determination that favours one ‘s personal point of view ( Beale, 1986 ) . He farther elaborates that this attack consists of five elements of composing the statements viz. the Introduction in which to province the general claim of an statement to the audience ; the Narration as to supply a relevant drumhead background of peculiar state of affairs ; the Confirmation as to supply back uping grounds to a claim. Then, it is followed by the Refutation in which the talker or author provides a counter-argument to any opposing claims before terminals it with the Conclusion as to which the talker or author summarizes the chief points and reiterates the claim made in Introduction portion. The Rogerian Approach, on the other manus, is based on the thought that the talker or the author needs to happen a â€Å" common land † with his audience as to make to a more conciliatory and less confrontational solution ( Moxley, 2012 ) . There are besides chiefly five elements in sketching debate thoughts harmonizing to Rogerian Model of Argumentation. It begins with an Introduction that province the issue ; followed by a non-judgemental opposition ‘s place ; a impersonal statement of ain point of view ; an analysis of common land of both places stated and eventually a proposal of concluding statement that satisfies the demands of both places made. Whilst Toulmin ‘s Model of Argumentation in which it was developed by a British philosopher, Stephen Toulmin. He suggested that a realistic statement normally starts with a individual makes a claim over a affair, so supply a land that support the claim which is followed by a warrant to endorse up the land made ( Toulmin, 1958 ) . This is the Model of Argumentation chosen to be used in this survey and will be elaborated at length below. Toulmin ‘s Model Harmonizing to Toulmin ( 1958 ) , his strategy of statement analysis is based on six parts, which could be depicted utilizing Figure 2.1 as follows: Datas Claim Warrants Backing Qualifier Rebuttal Figure 2.1: Toulmin ‘s Model of Argument Claim: the statement or decision being argued ; Datas: The grounds or fact to back up the claim made ; Warrants: the logical statements that serve as a connexion between the informations and the claim made ; Backing: the basic premise that is made to farther support a warrant ; Qualifiers: states the restriction under which state of affairs the claim can be regarded as true ; Rebuttals: the counter statements to picture circumstance when the claim made is non true. ( Toulmin, 1958 ) In add-on, Bocconi ( 2010 ) indicated that the basic construction of each of these phases can be identified and represented as follows: â€Å" because ( informations ) . . . since ( warrant ) . . . on history of ( endorsing ) . . . therefore ( decision ) † Bocconi ( 2010 ) Karbach ( 2010 ) stated that Toulmin suggested that one ‘s statement can be analysed by looking at his or her cognition building at four stairss viz. ; claim, informations, rebuttal and backup as to see whether the statement made solidly backed, sufficient and relevant to back up the old statements made. Hence, Karbach ( 2010 ) believed that Toulmin ‘s Model of Argumentation is a clear theoretical account to observe one ‘s inductive, deductive and logical logical thinking. Kneupper ( 1978 ) besides viewed that this layout strategy can be efficaciously used to analyze the constituents of an statements in linguistic communication acquisition. Decision The instruction of higher order believing accomplishments can non be taught in isolation ( Lai, 2011, Nagappan, 2001 ) . Hence, it has to be integrated into the course of study as to supply the pupils with the existent life medium and purposeful acquisition results apart from its importance to cultivate one ‘s critical thought and communicating accomplishments ( Education Reform in Malaysia Report, 2012 ) . In this fast growing of Information Technology ( IT ) epoch, the usage of engineering such as Web 2.0 tools can be used to efficaciously heighten the instruction of these accomplishments anytime anyplace ( Winston, 2006 ) . Besides, the usage of these engineering tools are proven to be effectual to promote pupils to larn collaboratively as human makes significances and can make at a deeper apprehension by pass oning with others ( Vygotsky, 1978 ; Johnson and Johnson, 1986 ; Gokhale,1995 ; An, 2006 ) . Through the communicating and interaction in a collaborative treatment via online, one can actively develop his or her ain cognition building in order to organize deeper apprehension in a safe and unafraid societal environment ( Chitravelu, Sithamparan A ; Teh, 2005 ; Weinberger A ; Fischer, 2006 ) . How to cite The Importance Of Critical Thinking Skills Education Essay, Essay examples