In a study on alcohol and aggressive behavior, subjects are randomly assigned to one of two groups. One group receives real alcohol while the other group receives tonic water
Which tastes identical to real alcohol. In this way, neither group of subjects knows who
Got the real alcohol. In this study, the nonalcoholic tonic water serves as a(n) ______.
A) selection factor
B) dependent variable
C) independent variable
D) placebo

Question

Quizplus · Accepted Answer

The nonalcoholic tonic water is being used as a placebo in this study. It is meant to serve as a control group to compare the effects of real alcohol on aggressive behavior. The other options (selection factor, dependent variable, and independent variable) are not applicable in this scenario.

In a Study on Alcohol and Aggressive Behavior, Subjects Are