Which of the following does not explain why some children have mathematical disabilities?
a. limited exposure to numbers in the early years
b. insufficient working memory capacity
c. very stringent confidence criterion
d. lack of conceptual understanding of counting
C
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What would you predict about Little Albert based on the principle of spontaneous recovery?
A. Even after his fear of a rat was extinguished, the fear could come back. B. After his fear of loud noises was extinguished, the fear could come back. C. His fear of rats would disappear if he saw a rat without hearing a loud noise. D. His fear of loud noises would disappear if he heard a loud noise without a rat present.
In one study, 9- to 15-year-olds carried electronic pagers for a week and reported on how much time they spent
a. doing homework. b. watching TV. c. with family, friends, and alone. d. exercising.
The independent samples t-test is a ______.
A. between-groups design B. between-subjects design C. within-subjects design D. within-groups design
David Camp and colleagues found that even a delay of only _____ reduced the effectiveness of a punisher
a. 2 seconds b. 5 seconds c. 10 seconds d. 15 seconds