The difficulty level on an item characteristic curve is the score made by 50% of the examinees.
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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
Q12: Group tests of achievement are usually standardized
Q13: Achievement tests are typically standardized on larger
Q14: An important purpose of test standardization is
Q15: A standardized test has standard directions for
Q16: The most accurate and easily understood of
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