Which type of reliability is directly affected by the heterogeneity of a test?
A) test-retest
B) inter-rater
C) internal-consistency
D) alternate-forms or parallel-forms

Question

Quizplus · Accepted Answer

Internal-consistency reliability is directly affected by the heterogeneity of a test, as it measures the degree of consistency or correlation between the different items within a single test or measure. If the test items are highly heterogeneous and not measuring the same construct, then internal-consistency reliability will be low.

Which Type of Reliability Is Directly Affected by the Heterogeneity