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Major Uses of Item Analysis ... Item analysis can be a powerful technique available to instructors for the guidance and improvement of instruction. For this to be so, the items to be analyzed must be valid measures of instructional objectives.
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In all of these cases, Reliability & Item Analysis may be used to construct reliable measurement scales, to improve existing scales, and to evaluate the reliability of scales already in use.
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Item analysis is especially valuable in improving items which will be used again in later tests, but it can also be used to eliminate ambiguous or misleading items in a single test administration.
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An item analysis provides information useful for improving the quality and accuracy of multiple-choice tests. The program used by the Measurement and Evaluation Center consists of three sections. They include the following:
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An item analysis involves many statistics that can provide useful information for improving the quality and accuracy of multiple-choice or true/false items (questions). Some of these statistics are:
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Item Analysis; Item Analysis allows us to observe the characteristics of a particular question (item) and can be used to ensure that questions are of an appropriate standard and select items for test inclusion.
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Item analysis "investigates the performance of items considered individually either in relation to some external criterion or in relation to the remaining items on the test" (Thompson & Levitov, 1985, p. 163). These analyses evaluate the quality of items and of the test as a whole.
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Now you need to know how to do ITEM ANALYSIS ; ... another immediate payoff of item analysis ... CAN do item analysis on pretests to:
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The major purpose of item analysis is to improve tests by revising or eliminating ineffective items, and to increase our understanding of a test (why a test is reliable, valid, or not). Another important aspect of item analysis relates specifically to achievement tests.
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A vague and incredibly mysterious blind item in today’s NY Daily News initially gave us a headache because not a single “groovy”-like hint was included: ... A vague and incredibly mysterious blind item in today’s NY Daily News initially gave us a headache because not a single “groovy”-like hint was included:
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