To calculate an item-reliability index,one must have previously calculated
A) the correlation between the item score and the criterion.
B) the correlation between the item score and the total score.
C) the item-score standard deviation.
D) All of these
Correct Answer:
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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
Q54: An item-difficulty index of 1 occurs when
A)
Q55: It is needed to calculate the item-validity
Q57: What is the value of the item-discrimination
Q58: The item-validity index is key in determining
A)
Q59: Which statement is TRUE regarding an item-discrimination
Q60: The greater the magnitude of the item-discrimination
Q61: Co-validation is:
A) highly recommended and encouraged by
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