qualities of a good test (1)
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TRANSCRIPT
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The items on the test match the objectives targeted during instruction (Validity)
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The spread of items on the test matches the level of emphasis for the different topics/areas during teaching
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– number of items enough to adequately
measure the objectives
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All markers have agreed to the same response and scoring.
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The test should not be too easy that all score full marks or too hard that all score zero. Need a spread of items to give an appropriate spread of scores
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Discrimination –should discriminate between the strongest and weakest students
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Reliability – speaks to consistency in scores attained
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Fairness ◦equal opportunity for all, matching test
items to objectives/lesson taught, conditions under which test is done etc.
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Speed ◦enough time should be given for test takers
to adequately respond to the items/carry out tasks required.
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Absence of bias ◦There should be nothing in or about the test
that discriminates against candidates from a personal perspective