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Which of the following statements about adolescent sexual attitudes and behavior is true?
A)Rates of extramarital sex among U.S. young people are on the rise.
B)During the past 15 years, adolescents have become more liberal in their sexual beliefs.
C)Girls tend to have their first intercourse earlier than boys.
D)About 70 percent of sexually active teenagers report that they first had sex with a steady
dating partner.
Marzanne is pregnant and wonders how much weight she should gain. Her doctor will
probably recommend that she gain _____ to _____ pounds.
A)10; 15
B)20; 25
C)25; 30
D)30; 35
The reticular formation is located in the
A)brain stem.
B)prefrontal cortex.
C)temporal lobe of the cerebral cortex.
D)left hemisphere of the brain.
Changing cultural values in Western industrialized nations allow people to __________
than a generation or two ago.
A)have many children with less fear of social criticism
B)remain childless with far less fear of social criticism
C)more often emphasize societal obligation over individual fulfillment
D)more often choose to give their first child a sibling
Research indicates that around 7 to 9 months, infants
A)detect when words are deliberately mispronounced.
B)begin to divide the speech stream into wordlike units.
C)become sensitive to syllable stress patterns in their own language.
D)detect words that start with weak syllables.
In interpreting a correlation coefficient,
A)the magnitude of the number shows the direction of the relationship.
B)the sign of the number shows the strength of the relationship.
C)a positive sign means that as one variable increases, the other decreases.
D)a zero correlation indicates no relationship.
The first sign of puberty in boys is
A)the appearance of pubic hair.
B)the height spurt.
C)the enlargement of the testes.
D)deepening of the voice.
Critics of emerging adulthood believe that if __________ were plentiful, emerging adults
would choose not postpone their adult responsibilities.
A)affordable housing
B)opportunities to relocate
C)satisfying work enabling financial independence
D)college scholarships
As children make the transition from emergent literacy to conventional reading,
__________ continues to facilitate their progress.
A)whole-language instruction
B)private speech
C)phonological awareness
D)reciprocal teaching
Sex differences on __________ tasks are weak or nonexistent.
A)spatial visualization
B)mental rotation
C)spatial perception
D)visual orientation
One benefit of __________ is that they provide boys and girls with models of how to
interact and a chance to do so without having to be intimate.
A)same-sex cliques
B)mixed-sex cliques
C)crowds
D)friendships
Accumulating evidence on high-stakes testing indicates that it
A)often undermines the quality of education.
B)provides motivation for upgrading teaching and learning.
C)encourages teachers to focus on more in-depth, critical thinking tasks in their lessons.
D)accurately evaluates the academic abilities of individual students.
