Ivan Pavlov studied the reflexive flow of saliva in dogs. He used dog food to trigger the salivation. In this instance, the dog food was the _______

Rough-and-tumble play

a. is simply an expression of aggression. b. helps with physical and social development. c. increases as children get older. d. is specific to American culture.

Three-year-old Katy has just had her baby sister tear up an art project that Katy had been working on. Katy is obviously frustrated, since she put much time and effort into the picture. But she doesn't hit her sister because "Mom says we can't hit." This would have been predicted by the:

A. diathesis-aggression model B. modified frustration-aggression hypothesis C. frustration-aggression hypothesis D. negative affect model

Coitus is

a. the most widely practiced sexual act in our society. b. vaginal intercourse. c. associated with greater sexual and relationship satisfaction and better mental health. d. all of these

Playing a difficult musical composition on the piano would require which level of arousal?

a. a zero level b. a lower level than normal c. a moderate level d. a higher level than normal