When the Internal Consistency of a Test Is Being Determined

When the internal consistency of a test is being determined on the basis of the Kuder-Richardson formula (KR21) , then it should NOT be followed by

A) any attempts to determine predictive validity
B) any attempts to determine concurrent validity
C) the Spearman-Brown prophecy formula
D) none of these, since the KR21 is NOT an internal consistency measure

Correct Answer:

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