An item would be considered extremely difficult if it had a difficulty index of
A) .99
B) .50
C) .01
D) none of these, since item difficulty is not a quantified value.

Name: An item would be considered extremely difficult if it had a difficulty index of A) .99 B) .50 C) .01 D) none of these, since item difficulty is not a quantified value.
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Question

Quizplus · Accepted Answer

A difficulty index of .01 indicates that only 1% of participants were able to answer the item correctly, making it extremely difficult.

An Item Would Be Considered Extremely Difficult If It Had