DrSwinkels Conducted a Lab Experiment in Which He Told Participants

Multiple Choice

Dr.Swinkels conducted a lab experiment in which he told participants that one of their primary jobs was to make some ratings of scenes from popular movies.However,his actual reason for showing participants the movie clips was to manipulate the participants' mood.Once this experiment is done,Dr.Swinkels should make certain to:

A) explain the reason(s) for the deception in the study
B) explain what she expected to find in her experiment
C) put participants who saw sadness-inducing move clips back into a good mood
D) all of the above (she should do all three things)