________ refers to a procedure in classical conditioning where a CR no longer occurs in the presence of the CS due to the absence of the UCS

LaValle is 4 years old, and as one might expect he pays very careful attention to his father. He imitates many of his father's actions, copies his behaviors, and responds appropriately to rewards and punishments for his own behaviors

LaValle is learning many aspects of gender through the __________ theory. a. behavioral b. gender schema c. cognitive acquisitive d. social learning

Illness may follow periods of prolonged stress, primarily because stress weakens one's:

a. heart b. lungs c. immune system d. level of exercise