Why Might an Experimenter Choose to Use a Behavioral Measure

Multiple Choice

Why might an experimenter choose to use a behavioral measure of the dependent variable rather than a self-report measure?

A) Studies in which participants know they are being evaluated are too artificial to be informative.
B) It is impossible to empirically investigate what a person is thinking.
C) Self-report measures are only appropriate for nonexperimental designs.
D) Self-report measures are more susceptible to social desirability biases.