Which type of reliability study may yield a lower coefficient, before correction, due to the reduced number of items?
A. Split-half reliability
B. Interrater reliability
C. Coefficient alpha
D. Kuder-Richardson-20
A.
Explanation: Split-Half Reliability takes all available items on a test and divides the items in half and establishes reliability of half the test with the other half. It does not establish reliability of the entire test—reliability increases with the number of items.
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