For what class is this for?
Answer: D. Guns happened to be in the room.
Explanation: In studying different concepts of aggression, Berkowitz and Lapage(1967) found out that in their experiment, frustrated men delivered more shocks to their partners when guns rather than badminton racquets happened to be in the room.
This is a false statement. The recorded data is often referred as the dependent variable. The dependent variable is measured and the Independent variable is changed