When you compute the effect size in a one-group pretest–posttest study using a score for measuring depression, an effect size of 1.0 would mean that ______.

A. the data were found to be statistically significant
B. the typical client in the study had gained on depression by an amount that represents one standard deviation of scores
C. the data were not found to be statistically significant but were found to be of practical significance
D. the data were found to be neither statistically significant nor of practical significance


Ans: B

Social Work & Human Services

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