Research Conducted with Identical Twins Who Were Raised Together Versus

question 59

Multiple Choice

Research conducted with identical twins who were raised together versus apart shows that:

• A) genes play a large role in determining body weight and shape.
• B) when the twins are reared apart, weight gain occurs in different body areas.
• C) twins raised together are more similar in body shape than those reared apart.
• D) the weight of twins reared apart is correlated more with their adoptive family members than it is with their twin.

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Definitions:

Classical Conditioning

A training process involving the pairing of a naturally occurring stimulus with an environmental stimulus.

Brain-Wave Response

The fluctuations in voltage seen in an electroencephalogram (EEG) that reflect the different stages of brain activity, often used to study sleep, consciousness, and neurological conditions.

Generalization

in psychology refers to the process by which a response that has been learned to one stimulus is extended or applied to other, similar stimuli.

Nonabused Children

Children who have not experienced physical, emotional, or sexual abuse.