A hallmark of the concrete operational stage is the ability to
A) understand dual representation.
B) participate in sociodramatic play.
C) pass conservation tasks.
D) engage in animistic thinking.
C
Psychology
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Color blindness and color afterimages are best explained by what theory of color vision?
A) trichromatic theory B) visible hue theory C) Opponent-process theory D) dichromatic theory E) binocular disparity theory
Psychology
When 3 year old Lea complained, "Boris hitted me with a ball," she was illustrating the tendency of young children to:
a. use telegraphic speech patterns. b. imitate the incorrect speech patterns of others. c. receive inadequate reinforcement for correct language usage. d. use certain grammatical rules in sentence construction.
Psychology