Jack and Jill are twins. Because he is a boy, Jack's parents encourage him to run. However, they discourage Jill from engaging in athletic activity. As a result, Jack is much faster at running up a hill than Jill. The difference in Jack and Jill's behavior is best explained by
a. nonshared environmental influences.
b. active gene-environment relations.
c. polygenetic effects.
d. niche-picking.
Question 2From whom would you expect the biggest gains in height and weight over the next three years?
a. Ginger, who is 2 years old
b. Grant, who is 6 years old
c. Tina, who is 11 years old
d. Louise, who is 14 years old
Question 3How many of the following employer working conditions are related to more optimal job performance by parents with children: job sharing, higher productivity demands, inflexible schedules, and autonomy?
a. one
b. two
c. three
d. four
Question 4Nonshared environmental influences involve forces that make siblings
a. act in virtually identical ways.
b. homozygous.
c. dizygotic twins.
d. different from one another.
Question 5The two general types of physical development associated with puberty include
a. lower self-esteem and bodily changes.
b. bodily changes and sexual maturation.
c. sexual maturation and formal operational thinking.
d. formal operational thinking and lower self-esteem.
Question 6Gail is a work supervisor who is very supportive of her workers' needs in regard to childcare and other family issues. Because of this, it is likely that Gail's workers will
a. report more job satisfaction.
b. report more job-family conflict.
c. experience greater burn out.
d. be more likely to alter their reasonable person standard.
Question 7Which individual with a genetic predisposition toward being extroverted is demonstrating successful niche-picking?
a. Wink, who is a game-show host
b. Wilbur, who is a horse trainer
c. Sebastian, who is a hermit who lives in a cave by himself
d. Dexter, who spends a lot of time studying in the library
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