The following samples were selected by two researchers. Which is associated with a smaller standard error of the mean?
A. Researcher A.
B. Researcher B.
C. They both have the same standard error.
Ans: C
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One reason why preschoolers have such positive views of themselves is that
A. they can't take the perspective of others so they make self-comparisons rather than social comparisons. B. they do not yet understand qualitative differences such as good, better, best. C. people are praise children for every little thing they do so they have no realistic standard for their behavior. D. preschoolers operate by the pleasure principle, not the reality principle.
"Classification," a science skill, is most closely like which of the following reading skill(s)?
A. Following organized procedures. B. Recognizing letter, words, prefixes, suffixes, and base words. C. Arranging ideas and ordering information about sequence. D. Arranging information logically. E. Identifying main ideas.
Brain growth typically speeds up during middle childhood.
Answer the following statement true (T) or false (F)
Children should have their hearing tested
A) through universal newborn screening. B) between the ages of 12 and 18 months. C) between the ages of 5 and 6. D) when they are old enough to communicate with the tester.