Based on cross-cultural research of Piaget’s preoperational and concrete operational stages of development, we can conclude that

a. in many cultures, children do not experience a preoperational stage.
b. in most cultures, children do not experience a concrete operational stage.
c. attainment of conservation occurs at almost the same age across all cultures studied so far.
d. age of attainment of conservation can vary by several years (2–6 years, or more)across cultures.

Answer: d

Psychology

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Flavor is:

a. taste. b. smell. c. a combination of taste and smell. d. a combination of touch and taste.

Psychology

Dr. Hunter is studying personality. He decides that he will classify his subjects into varying levels of intensity on personality traits, based on how far they statistically fall above the average score of a "normal person." He is using a __________ approach.

A. categorical B. dimensional C. prototypal D. discrimination

Psychology