What was Piaget's explanation as to why preschool-age children in the preoperational stage make errors on tasks requiring conservation?
a) preschool children's neural-visual network is not fully matured
b) preschool children have not lived long enough and accrued enough experience to know the difference between quantities
c) preschool children's tendency toward centration prevents them from focusing on other relevant features of a situation
d) preschool children have not yet developed numerical understanding; therefore, different amounts are meaningless
c
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Describe a cultural holiday or festival that celebrates and honors deceased ancestors.
What will be an ideal response?
Malcolm administers a survey of people's attitudes about the relationship between exercise and stress level. What is the independent variable??
a. ?exercise level b. ?stress level c. ?survey d. ?Malcolm himself
According to the evolutionary approach, aggression
A. is an instinctive biological urge. B. reflects mostly environmental influences. C. presupposes the existence of frustration. D. once helped people compete for mates.
Adolescents' use of antagonistic interactions such as sarcasm and ridicule are related to
a. the increased capacity for complex thinking. b. disputes between friends. c. developmental trajectory of inter-crowd competition. d. decreases in family interaction.