A social psychologist measures aggressive responses made by people exposed to violent and nonviolent movies. All of the subjects are tested in rooms having identical room temperature. In this experiment, the room temperature is a(n)__________ variable.
A)correlated
B)independent
C)dependent
D)extraneous

Question

Quizplus · Accepted Answer

The room temperature is an extraneous variable because it is not the variable being studied (which would be the type of movie), but it is controlled to ensure it does not affect the outcome of the experiment.

A Social Psychologist Measures Aggressive Responses Made by People Exposed