When Lupe argued that one of the questions on the five-alternative test was unfairly difficult, the teacher simply replied by saying that the item .60.difficulty was optimal at
A).50.
B).60.
C).625.
D).70.

Question

Quizplus · Accepted Answer

The teacher's reply that the item difficulty was optimal at .60 directly matches the difficulty level mentioned by Lupe, indicating that the question was designed to have a difficulty level of .60, which the teacher believes is optimal.

When Lupe Argued That One of the Questions on the Five-Alternative