A researcher selects a sample of 6 men and 11 women. She asks participants to rate the likelihood they would do female-stereotyped jobs (such as nursing or school teaching) on a scale from 1 = not likely at all to 5 = very likely. Men indicated that they would be less likely to do these jobs (M = 2.1) compared with women (M = 4.3). What is the weighted mean for the combined sample of 17 total participants?
A. 2.1
B. 4.3
C. 3.2
D. 3.5
Ans: D
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A magnet school differs from a charter school in which of the following ways?
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A. an interrupted time-series design B. a one-group pretest–posttest design C. a nonequivalent control group posttest-only design D. a nonequivalent control group pretest–posttest design
Which of the following statements about Pearson’s correlation coefficient is not true?
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