Which of the following is a hindrance to efficient problem solving ability?

Kinsey found that nearly ____ of all adults did not identify as exclusively heterosexual or as exclusively homosexual, but somewhere in between

a) one-quarter b) one-third c) one-half d) two-thirds

Jerome tries to please his parents by always being good, but whenever Jerome's older brother, Tom, misbehave, their parents punish both Tom and Jerome. Jerome soon stops trying to please his parents because he doesn’t think it will make any difference. This change in Jerome's behavior is an example of ____.?

a. ?classical conditioning b. ?vicarious experience c. ?positive reinforcement d. ?learned helplessness