Jack and Jill are twins. Because he is a boy, Jack's parents encourage him to run. However, they discourage Jill from engaging in athletic activity. As a result, Jack is much faster at running up a hill than Jill. The difference in Jack and Jill's behavior is best explained by

a. nonshared environmental influences.
b. active gene-environment relations

c. polygenetic effects.
d. niche-picking.

a

Psychology

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Approximately ____ percent of individuals who are treated in eating disorder programs suffer from eating conditions not elsewhere classified

a. 5 to 20 b. 15 to 35 c. 25 to 45 d. 40 to 60

Psychology

The ____ model proposes that high-cost low-gain work efforts are stressful

a. job-demands control c. organizational injustice b. organizational role d. effort-reward imbalance (ERI)

Psychology