Dr Rivera Is Examining the Effect of Treatment on Internet

Multiple Choice

Dr. Rivera is examining the effect of treatment on Internet addiction. He is comparing the additive effect of antidepressant, antianxiety, and sedative medications on the compulsion to use the Internet. Dr. Rivera randomly assigns participants into conditional groups. Theo believes he has been taking an antidepressant medication for the last 6 weeks; however, at the debriefing he learns he was taking a sugar pill. Theo was most likely in which type of group?

A) placebo group
B) waiting-list control group
C) posthoc group
D) empty control group