In Likert scales, a discriminatory power score for each item:
A)indicates the degree to which people's responses to an item range over the five response alternatives.
B)is a method of assessing the reliability of each item.
C)indicates the degree to which each item discriminates between high scorers and low scorers on the overall scale.
D)indicates how highly that item correlates with people's overall scale score.

Question

Quizplus · Accepted Answer

The discriminatory power score of an item in a Likert scale measures how well the item differentiates between individuals who score high and those who score low on the overall scale.

In Likert Scales, a Discriminatory Power Score for Each Item