Several Studies Find That Among College Students, Use of Illegal

question 74

Multiple Choice

Several studies find that among college students, use of illegal drugs is negatively correlated with grade-point average. Which conclusion, if any, do these results justify?

• A) The use of illegal drugs impairs either learning, memory, or concentration.
• B) Highly conscientious students, who are likely to do well in school, avoid illegal drugs.
• C) Students who spend their time and effort on risky activities do not spend much time studying.
• D) The results do not justify any of these conclusions.

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Definitions:

Motor Cortex

The part of the cerebral cortex that plays a role in planning, controlling, and carrying out voluntary movements.

Skilled Control

The ability to efficiently and effectively manipulate tools or interfaces, typically developed through practice and experience.

Anterior Corticospinal Tract

A bundle of nerve fibers that travels from the brain down the spinal cord, involved in the voluntary movement of muscles, especially in the trunk and limbs.

Trunk Muscles

The muscles located in the central part of the body, extending from the neck to the lower abdomen, crucial for stabilization and movement.