Historically, before the 1970s, researchers believed that formal operations ____
a. do not develop in many cultures, particularly in cultures that do not have formal schooling
b. developed much sooner than Piaget proposed, closer to age 9
c. develop much faster in girls than in boys because of social and emotional maturity
d. only developed in the United States and for unknown reasons it did not develop in other industrialized nations
A
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According to the chapter I'm Warning You, what is a heuristic?
(a) quick rules we use to make decisions without spending too much time (b) thoughtful decision-making strategies (c) a prejudice (d) an analytical schema for understanding a new concept
Obsessions and compulsions
a. appear to be based on very different psychodynamics. b. always occur together. c. often occur together. d. rarely occur together.