Item analysis is different from the classical method of reliability because
A)a smaller number of items leads to higher reliability in item analysis.
B)item analysis ignores total score.
C)item analysis describes results for individual items, whereas reliability describes results for the scale as a whole.
D)item analysis generally considers the validity of the test.

Question

Quizplus · Accepted Answer

Item analysis focuses on the performance of individual items within a test (e.g., difficulty level, discrimination index), allowing for detailed examination and improvement of each item. In contrast, classical reliability assessment evaluates the consistency of the entire test or scale, not the characteristics of individual items.

Item Analysis Is Different from the Classical Method of Reliability