Bill and Bob are 22-year-old identical twins. Bill suffers from alcoholism. Using the data cited in your textbook, what are the chances that Bob also struggles with this problem?
A. 6%
B. 16%
C. 39%
D. 99%
Answer: C
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Gina and David are both 12 years old. Given what we know about adolescent height and weight growth spurts, which would you expect to find?
a. David is taller than Gina. b. Gina is taller than David. c. David weighs more than Gina. d. They would be the same height and weight as neither have entered the adolescent growth spurt.
Maternal age affects the health of the fetus in each of the following ways except:
a. mothers over 30 have increased risk of stillbirths. b. mothers under 18 are less likely to have regular prenatal checkups. c. mothers under 18 have significantly higher rates of premature births. d. mothers over 30 have increased risk of low birth weight babies.
The fact that gender differences in intellectual abilities vary by culture, age, and race suggests that ____
a. ?males have a higher level of inherited “g” b. ?the observed gender differences may be due to the environment c. ?females generally outperform males on most tests of intelligence d. ?genetics play a strong role in the observed differences
The magician performed her simple tricks even better in front of the audience than in practice. But her big finale fell flat. What best explains this?
A. evaluation apprehension hypothesis B. mere presence hypothesis C. optimal distinctiveness D. comparative social psychology