If a self-report measure and a trained observer measure of the same behavior differ from one another,one test might not be as ________ a measure of that behavior as the other test.

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Quizplus · Accepted Answer

The term "validity" refers to the accuracy of a measurement tool in measuring what it is intended to measure. Therefore, if a self-report measure and a trained observer measure of the same behavior differ from one another, it suggests that one or both of the tests may not be accurately measuring the intended behavior. The measure that produces results that differ from the trained observer measure is likely less valid.

If a Self-Report Measure and a Trained Observer Measure of the Same