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The greater the within-group variability, the greater the number of participants the researcher will need. Explain why this is so.
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Q8: Consult Table 10-2. The difference in means
Q17: Describe several aspects of the participants' perception
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Q57: Do the results in Table 1 support
Q91: Briefly describe the five basic control techniques:
Q109: Variability in DV scores that is due
Q123: To find the _, subtract the smallest
Q127: A researcher _ manipulate an independent variable