In a Study of the Effects of Marijuana on a Learning

question 7

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

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Definitions:

Pharyngeal Tonsils

Two masses of lymphatic tissue located above the palatine tonsils; also called adenoids.

Nasopharynx

The portion of the pharynx behind the nasal cavity.

Palatine Tonsils

Two masses of lymphatic tissue located at the back of the throat.

Digestive System

The system of organs responsible for breaking down food, absorbing nutrients, and eliminating waste from the body.