In order to make the world more manageable, we often see out-group members as very much alike, even when they are varied. What is this tendency to place people in categories called?

Betty has tried to stop using a particular drug permanently, but her attempts have been unsuccessful. When she stops using, she experiences irritability and difficulty concentrating. Even though she has emphysema, a serious physical disorder, she continues to use it. Surprisingly, it is a legal drug. To which drug is Betty probably addicted?

a. caffeine c. marijuana b. alcohol d. nicotine

Which of the following statements is considered a consequence of today's increased exposure to violence for children?

a. Fewer friendships are formed among children. b. Children may suffer from symptoms similar to post traumatic stress disorder. c. Children do not trust anyone in authority. d. More children are overweight.