The process of imprinting occurs during a brief developmental phase known as

The adaptational systems that promote resilience in adolescents include all the following except

A) self-efficacy. B) extrinsic motivation. C) attachment relationships. D) positive self-regard.

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.