Which of the following sleep disorders is most commonly seen in children?

Cooper and colleagues have argued that people who develop patterns of heavy drug use

a. do so because of parental example, which is the primary predictor. b. believe in the positive effects of using drugs. c. have dopamine-deficient brains. d. do so in order to avoid perceived negative aspects of their lives. e. do so in order to moderate positive and negative emotions.

Piaget claimed that understanding of objects develops slowly, however, modern researchers have shown that babies understand objects much earlier than Piaget claimed

Indicate whether the statement is true or false