In a Study of the Effects of Marijuana on a Learning

Multiple Choice

In a study of the effects of marijuana on a learning task, participants are asked to smoke a "cigarette" before learning how to complete a task. Some participants smoke regular cigarettes while others smoke cigarettes injected with THC (the psychoactive ingredient in marijuana) . The errors the participants made while doing the learning task is called the __________ variable.

A) dependent
B) independent
C) control
D) experimental