What do developmentalists call the average performance of a large sample of children of a given age?
A. a standard
B. a median
C. typical achievement
D. a norm
Answer: D
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According to Piaget, the ability to understand that simply changing the appearance of an object does not change the object's amount is known as __________.
A. object permanence B. conservation C. assimilation D. reversibility
Early 20th-century research on the effects of child labor was conducted by ____.?
a. ?Calkins b. ?Woolley c. ?Hollingworth d. ?Anastasi e. ?Radcliffe
How do scientists portray the knowledge that is obtained through careful observation?
A. Scientists treat this information as certain truths. B. Scientists treat this information as proof of ideas. C. Scientists treat this information as final answers to a question. D. Scientists treat this information as one step in a process of understanding a problem.
Chris leaves for work every morning at 6:15 a.m. even though he doesn't need to be at work until 8:00. He leaves when he does so he can avoid traffic jams, although this means that he is usually about 40 minutes early for work
In deciding when to leave for work, Chris is using __________ a) heuristics. b) elimination by aspects. c) the additive strategy. d) reasoning.