In a study concerning the cues that signal deception, Winston uses the number of times a person shifts in his or her seat as a measure of lying. Virginia points out that people may shift their position because they are nervous about being perceived as a liar, even though they are actually telling the truth. Virginia is questioning the ____ of Winston's measure of lying.

Question

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Virginia is questioning the construct validity because she is challenging whether shifting in one's seat accurately reflects the concept or construct of lying, suggesting that it might instead indicate nervousness.

In a Study Concerning the Cues That Signal Deception, Winston