Cross-cultural observations suggest that infants are likely to be carried for longer periods during the day and formore months during infancy when
A. women marry at younger ages.
B. families live in extended family groups.
C. men help with childcare.
D. there are more physical dangers on the ground.
Answer: D
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In the past three psychology labs, Liliya has been attempting to classically condition a lab rat. Her strategy has been to present the US and CS simultaneously. Which of the following should she do to strengthen the conditioned response of the rat?
a. Make less frequent pairings of CS and US. b. Present the CS first and have it remain present during presentation of US. c. Present the US prior to CS. d. Present the CS first and withdraw it before introducing the US. e. Decrease the intensity of the US.
Which of the following best represents the function of crowds? Crowds
a. help adolescents define their identities. b. assist teachers in ranking students academically. c. take the place of childhood friendships. d. replace family as the prime source of support.
Because most studies on adolescents and television violence are correlational, it is
a. pointless to study the possible causes of aggressive behavior. b. not possible to prove from these studies that television causes aggressive behavior. c. likely that television violence is not associated with aggressive behavior. d. important not to restrict adolescents' television viewing.
Piaget argued that the first reactions by newborns were
A. indicators of an innate understanding of appearance as reality. B. abstract. C. indicators of an innate understanding of object permanence. D. reflexive.