An effective atypical antischizophrenic drug is

A research participant is given a dose of the drug naloxone and then his arm is placed in a bucket of ice water, which is normally quite a painful experience. It is likely that the

a. participant will experience little or no pain. b. participant will experience a placebo effect. c. participant will undergo a painful experience. d. participant's body will stop producing endorphins.

Speed of ________ is a good predictor of later memory and intelligence

a. habituation b. making the A-not-B error c. accommodation d. secondary circular reactions