Piaget studied children's understanding of conservation of ___
a. number
b. mass
c. volume
d. all of the above
D
Psychology
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When Paul Ekman came up with his list of basic emotional expressions, he did NOT include
a. fear. b. embarrassment. c. surprise. d. anger.
Psychology
During middle childhood, the centerpiece of peer friendships is
a. common proximity. c. common interests. b. similar abilities. d. mutual trust.
Psychology