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 Why Rubrics?

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تاريخ التسجيل : 03/01/2010
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مُساهمةموضوع: Why Rubrics?    الخميس أكتوبر 28, 2010 9:29 pm

Why Rubrics?
What are Rubrics
?
Rubrics are performance-based assessments that evaluate student performance on any given task or set of tasks that ultimately
leads to a final product, or learning outcome. Rubrics use specific criteria as a basis for evaluating or assessing student performances as indicated in narrative descriptions that are separated into levels of possible performance related to a given task. Starting with the highest level and progressing to the lowest, these levels of performance are used to assess the defined set of tasks as they relate to a final product or behavior. Each level describes degrees of proficiency and each level is assigned a value that rates the degree of proficiency or student performance. Rating scales are used; they can be numerical, qualitative, or a combination of numerical and qualitative.
Rating scales can be either holistic or analytical. Holistic scales offer several dimensions together while analytical scales offer a separate scale for various dimensions.
Holistic scoring is more global and does little to separate the tasks in any given product, but rather views the final product as a set of interrelated tasks contributing to the whole. Anchor points are used to assign value to descriptions of products or performances that contribute to the whole. Holistic scoring proves to be efficient and quick. One score provides a overall impression of ability on any given product or work. It is most commonly used with writing products, but can be used just as effectively with other subject areas. The disadvantage of holistic scoring is that it does not provide detailed information about student performance in specific areas of content or skill.
Analytic scoring breaks down the objective or final product into component parts and each part is scored independently. In this case, the total score is the sum of the rating for all of the parts that are being evaluated. When using analytic scoring, it is necessary to treat each component or partt as separate to avoid bias toward the whole product.
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مُساهمةموضوع: رد: Why Rubrics?    الأحد نوفمبر 07, 2010 2:47 pm

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Why Rubrics?
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