An Experimenter Tests the Hypothesis That Physical Exercise Improves Mood

question 207

Multiple Choice

An experimenter tests the hypothesis that physical exercise improves mood. Subjects in the experimental group participate on Monday and Tuesday and those in the control group on Wednesday and Thursday. Which of the following is the dependent variable?

• A)H ypothesis
• B)Day of the week
• C)Exercise
• D)Mood (degree of happiness)

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Definitions:

Conditioned Stimulus

A previously neutral stimulus that, after association with an unconditioned stimulus, comes to trigger a conditioned response.

Unconditioned Stimulus

A stimulus that naturally and automatically triggers an unconditioned response without prior conditioning.

Conditioned Response

A learned reaction to a previously neutral stimulus that has become associated with an unconditioned stimulus through classical conditioning.

Unconditioned Response

An automatic, natural reaction to a stimulus that occurs without prior learning or conditioning.