The textbook defines test reliability as the ratio between the variance of the
A) error scores and true scores.
B) true scores and observed scores.
C) error scores and observed scores.
D) two sets of scores from identical or equivalent tests.

Question

Quizplus · Accepted Answer

Test reliability is defined as the ratio of the variance of true scores to the variance of observed scores.

The Textbook Defines Test Reliability as the Ratio Between the Variance