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Home > Measurement Evaluation Assessment > Question

The Kuder-Richardson Formula (KR-20/KR-21) is primarily used to estimate a test’s:

0
A) Validity
B) Internal Consistency Reliability
C) Inter-rater Reliability
D) Content Validity

Correct Answer: B) Internal Consistency Reliability

KR-20 and KR-21 are formulas used for tests with dichotomous scoring (e.g., right/wrong on MCQs) to estimate how well the items on the test measure the same concept.

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