Finding a difference between the treatment group mean and the control group mean shows that the treatment had an effect.
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Q35: Pearson rs can range from
A) 0 to
Q36: A Pearson r is more likely to
Q37: Factor analysis:
A) should be used in place
Q38: Factor loadings can range from:
A) 0 to
Q39: A valid item should have a factor
Q41: A nominal scale of measurement is used
Q42: A within-subjects design compares one group of
Q43: The independent-groups t test is used when
Q44: If there is no variance on a
Q45: The standard deviation is the most common
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