Identical twins occur in how many of every 1,000 U.S. births?
A. 4
B. 9
C. 17
D. 20
Answer: A
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Anti-bullying programs evaluated by researchers
a. are rarely able to reduce the frequency of bullying more than 25%. b. tend to be more effective if they punish the bullies. c. are more effective when they involve students, teachers and parents. d. are most effective when they teach victims to fight back.
Newman is having a very bad day—he overslept for his final exam, spilled coffee on himself at work, and got a speeding ticket on the way home. According to the facial feedback hypothesis, what will happen if he increases tension in the facial muscles normally active during frowning?
a. It will intensify his negative emotional experience. b. Because he is already in a bad mood, it will have no impact on his emotional experience. c. It will create a competing positive emotion. d. It will reduce the intensity of his negative emotional experience.
Studies of prosocial behavior show that the more potential helpers present in an emergency, the
a. more likely people are to get involved. b. lower the chances that people will help. c. greater the personal responsibility felt by those present. d. lower the risk of personal injury to potential helpers.
Which of the following is NOT true of divorce as described in the book?
a. Divorce rarely solves the problem that it was intended to solve. b. Divorce often creates a whole new set of problems. c. Many people feel the pain of divorce years later. d. Divorce is often good for children.