An interitem correlation matrix displays the ______.
A) reliability and validity coefficients for each item
B) difficulty of each item on the test
C) correlation of each item with every other item on the test
D) correlation of each item with the total test score for all test takers

Question

Quizplus · Accepted Answer

An interitem correlation matrix displays the correlation of each item with every other item on the test. It is used to evaluate the internal consistency of a scale or test by examining the degree of association between items. This helps to assess the extent to which the items are measuring the same construct.

An Interitem Correlation Matrix Displays the ______