Suppose a researcher studying social anxiety in children uses a measure of "fidgeting" that indexes hyperactivity instead of social anxiety.What type of validity is this measure lacking?

Question

Quizplus · Accepted Answer

The measure is lacking construct validity because it is not measuring what it is supposed to measure, i.e. social anxiety. Instead, it is measuring hyperactivity, which is a different construct altogether.

Suppose a Researcher Studying Social Anxiety in Children Uses a Measure