Baby Pedro has combined his reaching, grasping, and sucking schemes into one higher-order scheme that allows him to reach for his pacifier and put it into his mouth to suck. In Piaget's theory, this achievement is an example of

What did Skinner say about many of the constructs used to describe personality, such as the id, ego, and superego?

a) They are readily observed in everyday behavior. b) They are unnecessary fictions. c) They are helpful for describing internal states. d) They correspond directly to biological structures in the brain.

Which of the following is not true about psychosurgery?

a. It is used to remove tumors and blood clots b. It is used to treat cognitive and emotional disorders c. Prefrontal lobotomies are an example of psychosurgery d. It was largely replaced by psychiatric drugs as a form of treatment