An anthropologist is studying a remote tribe of people who have had little to no contact with outside civilization. She notices that 2-year-olds in the tribe imitate others and show empathy and cooperation much like her 2-year-old nephew back in the United States. According to evolutionary theorists, these behaviors may be universal in the human species because they facilitate __________.
A. positive reinforcement
B. fitting into a social group
C. ego development
D. social learning
Answer: B
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Which of these is NOT among the several shortcomings of interviews or questionnaires?
a. Subjects may lie about their own actions. b. Young preschoolers might misunderstand the questions. c. Results may be inconsistent for children and parents. d. Self-report techniques generate a lot of data.
______ is a symmetrical distribution where the percentage of scores in each portion of the distribution is known.
A. Normal distribution B. Normal deviation C. Even distribution D. Standard distribution
When cultural influences exist, they are
a. stronger on sensation than on perception. b. stronger on perception than on sensation. c. weak and equivalent on sensation and perception. d. strong and equivalent on sensation and perception.
Sex-linked genes are usually found on the Y chromosome.
Answer the following statement true (T) or false (F)