Which one of the following ranges of item p values yield distribution of test scores with the most variation?
A) 0-0.3
B) 0.4-0.6
C) 0.7-1
D) 1-3

Name: Which one of the following ranges of item p values yield distribution of test scores with the most variation? A) 0-0.3 B) 0.4-0.6 C) 0.7-1 D) 1-3
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Question

Quizplus · Accepted Answer

The range 0.4-0.6 represents moderate difficulty, which tends to maximize score variation as it discriminates well between high and low performers.

Which One of the Following Ranges of Item P Values