Aversive conditioning has been successfully used to treat alcoholism, obesity, and smoking

When Schaie tested adults on the five primary mental abilities, the average scores after age 60

declined in only one or two areas. declined in all areas. showed no change until age 75. remained the same as at age 50.

Erik Erikson identified four stages in the life cycle, culminating in a crisis characterized as "trust vs. mistrust."

a. true b. false