1. How would a correlation of -.75 between the amount of alcohol consumed and the GPA among adolescents be interpreted?
A. Alcohol consumption is not related to GPA.
B. Consumption of alcohol causes lower GPA.
C. Greater consumption of alcohol is related to lower GPA
D. Consumption of alcohol causes higher GPA.
ans: C
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2. Which research design BEST helps a researcher determine the precise causes of behavior?
A. experimental
B. random assignment
C. laboratory
D. correlational
ans: A
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3. The failure to provide information about the stability of behavior changes in individuals is a disadvantage of the _____ developmental research design.
A. cohort
B. inferential
C. longitudinal
D. cross-sectional
ans: D
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4. Which developmental design has a serious problem with loss of participants?
A. cohort
B. inferential
C. longitudinal
D. cross-sectional
ans: C
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5. Which of the following statements is true of chromosomes?
A. Chromosomes are stored outside the nucleus of every cell.
B. All chromosomes store and transmit genetic information.
C. Humans and chimpanzees have the same number of chromosomes.
D. All chromosomes come in matching pairs.
ans: B
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6. Which of the following is true of meiosis?
A. One chromosome of each pair is transmitted intact to the new cell.
B. Chromosomes next to each other break and exchange segments.
C. It results in two identical cells with 46 chromosomes.
D. all of the above
ans: B
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7. The pattern of inheritance in which genes from mother and father both influence a person's characteristics is
A. dominant-recessive.
B. heterodominance.
C. codominance.
D. X-linked.
ans: C
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8. The socioeconomic status index is based on
A. gross income, as reported to the IRS.
B. information gathered in the U. S. Census.
C. the prestige of one's job.
D. a combination of social status, income, and education.
ans: D
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9. Parents who are involved in school activities and attend parent-teacher conferences have children who
A. experience greater difficulties with peers than other children.
B. show superior academic achievement.
C. display unusual emotional difficulties.
D. are likely to have musical and artistic talents.
ans: B
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10. The idea that environmental factors may be more likely to modify a behavior earlier than later in life is a part of
A. range of reaction.
B. canalization.
C. niche-picking.
D. passive genetic-environmental correlations.
ans: B
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11. The tendency of an individual to actively choose environments that complement his or her heredity is called
A. range of reaction.
B. canalization.
C. niche-picking.
D. evocative genetic-environmental correlation.
ans: C
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