In a Study of the Differences Between Populations of Humans,Richard

question 79

Multiple Choice

In a study of the differences between populations of humans,Richard Lewontin found that the total amount of genetic variation between groups is:

• A)37%.
• B)23%.
• C)14%.
• D)11%.
• E)7%.

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Definitions:

Reinforcers

Stimuli that, when presented after a behavior, increase the likelihood of that behavior being repeated.

Neutral Stimulus

A stimulus that initially produces no specific response other than focusing attention until it is paired with an unconditioned stimulus.

Biologically Significant

Pertaining to factors or impact of considerable importance for biological processes or survival.

Successive Approximations

A technique in behavior therapy and training that rewards behaviors that progressively get closer to the desired behavior.