At approximately what age do boys and girls understand the concept of gender constancy?
a) one or two years
b) two or three years
c) three or four years
d) four or five years
Answer: d
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Patricia is upset because she is convinced that her brother has a bigger piece of cake than she does. Her dad quickly slices Patricia's piece of cake in two and tells her that she now has "more" cake. If Patricia calms down and is convinced that she does have more cake than her brother, it would suggest that she
a. has not yet mastered object permanence. b. does not understand the process of assimilation. c. does not yet understand conservation. d. is displaying egocentric reasoning.
ABAB design is to _____ design as single-case design is to _____
a. ABA: a design in which only a few subjects are used b. reversal; a design in which only a few subjects are used c. ABA; a design in which only one subject is used d. reversal; a design in which only one subject is used