The point-biserial formula is useful in evaluating items on a test for predicting job performance.
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Q1: Item analyses are usually not worth the
Q3: The difficulty of an item on a
Q4: The purpose of a criterion-referenced achievement test
Q5: The optimum difficulty index (p) of a
Q6: The difficulty index of a test item
Q7: The discrimination index of a test item
Q8: Every distracter in a multiple-choice item should
Q9: The procedure for computing the discrimination indexes
Q10: An item response curve relates the performance
Q11: The difficulty level on an item characteristic
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