Jill learns that a monarch is a kind of butterfly, not a bird as she had first thought. This complete change in her concept of a monarch illustrates Piaget's idea of:

In one study, volunteers gradually reduced the number of hours that they slept each night, until they felt that they had reached their limit. On the average, this limit was

A) 45 minutes. B) 2 hours. C) 5 hours. D) 6.5 hours. E) 7 hours.

You have quit smoking and now want to keep from "falling back" into this old habit. To maintain the "new non-smoking you," you imagine someone offering you a cigarette, and you politely turning them down. This image is followed by imagining a pleasant, rewarding scene of yourself being told by the doctor that you are now so healthy that you should live to a ripe old age. You have just used the

technique known as a. thought stopping. b. covert sensitization. c. desensitization. d. covert reinforcement.