The reliability of a test can be affected by:
A) The number of individuals in the normative sample
B) The number of items on the test
C) The degree of difficulty of the test items
D) The response format of the test

Question

Quizplus · Accepted Answer

The number of items on the test can affect reliability because more items generally provide a more accurate measure of the construct being tested, reducing the impact of random error.

The Reliability of a Test Can Be Affected By