A Scientist Trying to Test a Theory About the Relationship

question 178

Multiple Choice

A scientist trying to test a theory about the relationship between people's consumption of alcohol and their longevity would want to hold all of the following variables constant except ____:

• A)the amount of alcohol that people in the experimental group consumed.
• B)the amount of cigarettes that people in the experimental group smoked.
• C)the amount of dietary fat that people in the experimental group consumed.
• D)past histories of heart and lung disease.

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Definitions:

Spontaneous Recovery

The reappearance of a previously extinguished response after a period without exposure to the conditioned stimulus.

Extinction

In psychology, the process by which a previously reinforced response diminishes and eventually disappears when reinforcement is no longer provided.

Spontaneous Recovery

The reappearance of a previously extinguished conditioned response after a period of no exposure to the conditioned stimulus.

External Inhibition

The decrease in the strength or occurrence of a behavior due to an external stimulus or change in environmental conditions.