Which of the following statements about emerging adults’ civic and political commitments
is true?
A)Emerging adults are more likely than contemporary senior citizens to raise funds for
charitable causes.
B)More U.S. young people today engage in political party activities than in previous
generations.
C)Voter turnout for contemporary 18- to 29-year-olds has fluctuated over the past two
decades.
D)Young people vote in higher numbers than older people in nearly all established
democracies.
Genomic imprinting
A)can be triggered by smoking or exposure to environmental pollutants, such as mercury
or lead.
B)occurs when alleles are chemically marked such that one pair member is activated,
regardless of its makeup.
C)is more likely to affect males because their sex chromosomes do not match.
D)is always permanent, cannot be erased in the next generation, and occurs in all offspring
if it occurs in one.
Which of the following statements about adolescent suicide is true?
A)The number of boys who kill themselves exceeds the number of girls by a ratio of over
4 to 1.
B)Boys unsuccessfully attempt suicide more often than girls.
C)Compared to boys, girls are more likely to choose techniques that lead to instant death.
D)The adolescent suicide rate is about the same for boys and girls.
Longitudinal evidence indicates that
A)play forms do not emerge in a universally ordered sequence.
B)later-appearing play forms do not replace earlier ones.
C)children who spend many hours in nonsocial activity are at risk of behavior problems.
D)most children achieve either associative or cooperative play, but not both.
Menarche takes place
A)after the peak of the height spurt.
B)approximately one year before the height spurt.
C)before pubic hair appears.
D)after breast growth is completed.
Compared to the United States, most Western European countries place greater weight on
A)individualism.
B)independence.
C)familism.
D)collectivism.
When a harmful allele is carried on the X chromosome,
A)females are more likely to be affected.
B)males are more likely to be affected.
C)50 percent of the female children are likely to have the disorder.
D)50 percent of the male children are likely to be carriers of the disorder.
Each country that outranks the United States in infant mortality provides its citizens with
A)government-sponsored health-care benefits.
B)stronger crime prevention and family planning programs.
C)more up-to-date health-care technology.
D)higher numbers of well-trained medical professionals.
Rough-and-tumble play helps children form
A)a dominance hierarchy.
B)cliques.
C)a stable gender identity.
D)a stable self-concept.
Research on African-American children adopted into economically well-off white
homes during the first year of life suggests that
A)these children score similarly in IQ to children who remain in low-SES homes.
B)poverty severely depresses the intelligence of ethnic minority children.
C)genetic factors have a powerful impact on African-American children’s IQs.
D)environmental factors have little impact on African-American children’s IQs.
In Piaget’s concrete operational stage,
A)thought is more logical, flexible, and organized than it was during early childhood.
B)the focus is on coordination of sensation and action through reflexive behaviors.
C)the child learns to use and represent objects by images, words, and drawings.
D)individuals move beyond concrete experiences and begin to think abstractly.
The cause of colic is
A)central nervous system damage.
B)unknown.
C)unpleasant stimuli.
D)gas.
Baby Jane has begun to develop a sense of trust. She expects that her mother will respond
when signaled. But Jane does not protest when separated from her mother. In which of
Bowlby’s phases does Jane best fit?
A)preattachment
B)”attachment in the making”
C)”clear-cut” attachment
D)formation of a reciprocal relationship
Which of the following explains the level of school involvement for many low-income
parents?
A)They tend to be unconcerned with academic matters.
B)They face daily stresses that reduce the energy they have for school involvement.
C)They don’t understand the importance of education and so are less involved.
D)They already have strained relationships with school personnel and try to avoid further
conflict.