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Donlon, Thomas F.; Fitzpatrick, Anne R. – 1978
On the basis of past research efforts to improve multiple-choice test information through differential weighting of responses to wrong answers (distractors), two statistical indices are developed. Each describes the properties of response distributions across the options of an item. Jaspen's polyserial generalization of the biserial correlation…
Descriptors: Confidence Testing, Difficulty Level, Guessing (Tests), High Schools
