The environment often reflects or reinforces genetic differences; that is, certain genetic and environmental influences tend to act in the same direction. This tendency is called
A. genotype-environment correlation.
B. shared environment.
C. environment-genotype covariance.
D. niche-picking.
Answer: A
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What happened when the Pima Indians of the Sonoran desert switched from their traditional diet to a more typical American diet?
a. Increasing prevalence of malnutrition b. Increasing prevalence of obesity c. Increasing prevalence of anorexia d. Increasing prevalence of vitamin deficiencies
An experimental study is conducted examining the relationship between drinking caffeine and reaction time. Participants given caffeine by the experimenters in different amounts, and then are assessed on various tests of reaction time. In this study, the amount of caffeine that a participant drinks is the ____.
a. control variable b. dependent variable c. random variable d. independent variable
If a psychologist believes that the "whole" of perception matters more than the parts, they are a
A. structuralist. B. physiological psychologist. C. Gestalt psychologist. D. cognitive psychologist.
The theory of attachment predicts that attachment will be strongest:
A. During breast feeding B. At the time kindergarten begins C. when the infant becomes mobile D. Children are reared without a consistent caregiver E. None of the above