About ____ of z-scores in the standard normal distribution are within ±2 standard deviations of the mean.

a. one-fourth
b. half
c. two-thirds
d. 95%


d. 95%

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Which approach emphasizes logical analysis as the means to acquiring new knowledge?

a. tabula rasa b. synthesis c. rationalism d. empiricism

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An assistant superintendent in charge of public relations wants to make a content analysis of the two local newspapers to determine the adequacy of their coverage of school news. This proposed research problem does not meet the criterion that the problem should

a. be one that is researchable. b. be suitable for the particular researcher. c. be one for which the data necessary to answer the question are available. d. not be too broad or general. e. lead to new problems and further research.

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In ______________________ , slow writhing movements, more pronounced in a child's head and hands, are accentuated by attempts to move and by a child's emotions

Fill in the blank(s) with correct word

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Mnemonic techniques are most effective when they are ________.

A. directly taught and practiced B. taught in isolation C. taught out of context D. used by all students

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