Genetics account for a percentage of the variability seen in the population’s personality. What is the source of the remaining percentage of variability?
a. ?only non-shared experiences
b. ?both shared and non-shared experiences
c. ?nurture
d. ?only shared experiences
ANSWER:
b
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Of the following, which one most strongly decreases the risk of heart disease?
a. A gluten-free diet b. Type A personality c. Social support d. Extra sleep
Which of the following is TRUE about in utero exposure to marijuana?
a. It may impair brain systems that regulate emotional behavior. b. It can predispose the offspring to dependence on hallucinogens. c. It may enhance the child's capacity to conform to social rules and norms. d. It can lead to devastating withdrawal symptoms that occur shortly after birth.
Maria and Juanita are identical twins. Therefore, they have ____
a. ?the same phenotype and the same genotype b. ?the same phenotype but not necessarily the same genotype c. ?the same genotype but not necessarily the same phenotype d. ?neither the same genotype nor the same phenotype
The measurement of psychological traits and abilities is referred to as
A) psychometrics. B) standardized testing. C) achievement testing. D) percentile ranking.