One method to establish content validity for a test to evaluate an ill-defined trait is
A. having items rated by a panel of judges.
B. sampling from the universe of potential test items.
C. correlating test results to some external measurement.
D. comparing results on two different measures of the trait.
Correct answer is option A. Explanation: One method to establish content validity for a test to evaluate an ill-defined trait is having items rated by a panel of judges.
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