Which of the Following Sentences Best Describes Mediation

question 9

Multiple Choice

Which of the following sentences best describes mediation?

• A)Mediation refers to a situation in which the relationship between a predictor variable and an outcome can be explained by their relationship to a third variable.
• B)Mediation refers to the combined effect of two variables on an outcome.
• C)Mediation refers to a situation in which the relationship between a predictor variable and an outcome is significant only when the mediator is included in the model.
• D)Mediation refers to a situation in which the relationship between a predictor variable and an outcome is unaffected by their relationship to a third variable.

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Definitions:

Fixed-interval

A type of schedule in operant conditioning where rewards or punishments (reinforcements) are presented at fixed time periods, provided that the appropriate response is made.

Variable-interval

A schedule of reinforcement where a response is rewarded after an unpredictable amount of time has passed, in behavioral psychology.

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired; a response that is at first elicited only by the second stimulus is eventually elicited by the first stimulus alone.

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with the unconditioned stimulus, eventually triggers a conditioned response.