The concept and calculation of ‘variance’ is primarily concerned with ______.
a. differences
b. central tendency
c. samples and populations
d. theoretical distributions
a. differences
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The greatest difficulty for one doing research on teacher effectiveness is most likely to be
a. formulating the research question. b. obtaining subjects to participate in the study. c. operationally defining teacher effectiveness. d. developing statistical procedures for analyzing the data.
One of the most effective ways to promote creativity in a preschool environment is to encourage pretending
A. True B. False
Which of the following skill areas seems most likely to become part of the U.S. null curriculum?
A) two-place division B) sewing C) composition D) literal comprehension
John Dewey's Progressive Movement was centered on his concern for the development of _____________
Fill in the blank(s) with correct word