Twin Studies Assume

question 34

Multiple Choice

Twin studies assume

• A) that the early environments of monozygotic and dizygotic twins are equally similar.
• B) that the fetal environments of monozygotic and dizygotic twins are equally similar.
• C) that monozygotic twins share fewer genes.
• D) both a and b

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Definitions:

Aversive Punishment

A form of punishment that involves introducing an unpleasant or painful stimulus in order to reduce the likelihood of a behavior reoccurring.

Positive Reinforcers

Stimuli that, when introduced following a behavior, increase the likelihood that the behavior will occur again in the future.

Strengthen Behaviors

Techniques used to increase the frequency or likelihood of a desired behavior, often through reinforcement.

Variable-Interval Schedule

A schedule of reinforcement where a response is rewarded after an unpredictable amount of time has passed, leading to a steady, consistent response rate.