Item-discrimination indexes can range from
A) .001 to 1.00.
B) -1 to +1.
C) 0% to 100%.
D) 1 to 100.
Correct Answer:
Verified
Q43: An item-characteristic curve includes all of the
Q44: What is the value of the item-discrimination
Q45: An item-difficulty index can range from
A) 0
Q46: The higher the item-difficulty index,the _ the
Q47: An item-reliability index provides a measure of
Q49: A negative item-discrimination index results for a
Q50: What is the optimal item-difficulty level for
Q51: An item-endorsement index is most likely to
Q52: An item-discrimination index typically compares
A) high scorers'
Q53: In item analysis,the term item endorsement refers
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