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Using IRT in Determining Test Item Prone to Guessing
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Obinne, A.D.E. – World Journal of Education, 2012
The 3-parameter model of Item Response Theory gives the probability of an individual (examinee) responding correctly to an item without being sure of all the facts. That is known as guessing. Guessing could be a strategy employed by examinees to earn more marks. The way an item is constructed could expose the item to guessing by the examinee. A…
Descriptors: Item Response Theory, Test Items, Guessing (Tests), Probability