In the context of the nature-nurture debate, which of the following statements is true about physical differences among people?
A. Environmental differences are overwhelmingly important for individual differences in height.
B. Genetic and environmental factors are roughly equal when it comes to individual differences in weight.
C. Genetic or environmental differences have no significant effect on occupational preferences.
D. Genetic differences are more important than environmental differences in terms of mate preferences.
Answer: B
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What is the key procedure in exposure therapy for phobia?
a. Discussing the phobia in a group setting b. Reducing anxiety with tranquilizers or antidepressant drugs c. Bringing the feared object into the person's presence d. Probing the unconscious thoughts or memories behind the phobia
Gregor Mendel is best known for his research on
a. how human intelligence is inherited. b. ethnic and racial differences. c. identical and fraternal twins. d. garden peas.
In what way does infant-directed speech help infants?
a. It provides them with information about the building blocks of speech they will later use. b. It calms infants down. c. It makes their parents sound funny and therefore provides humor. d. Infants learn to speak with long, enunciated phrases.
How does level of arousal relate to stereotype threat?
A. Reduced arousal may cause stereotype threat because it also causes poor performance. B. The increased arousal from stereotype threat can motivate a person to rise above and perform well. C. Stereotype threat may be caused by increased arousal from the perception that others think we cannot do something. D. Stereotype threat causes reduced arousal, which in turn worsens stereotype threat in a vicious cycle.