__________ Versus __________ is Erickson's sixth stage of ego development (and where Erickson breaks totally new ground from Freud) in which young adults learn to interact on a deeper level with others

Roberto started using crack cocaine last year. At first, he only smoked a small amount, but now he requires much more to achieve the same feeling. This phenomenon is called ____

a. Heavy use b. Withdrawal c. Tolerance d. Intoxication

To show the effectiveness of therapies, which of the following would be used as the control group?

a. people currently receiving therapy b. people recently released from therapy c. people on a waiting list to receive therapy d. people randomly selected from the population