Which of the following would be most useful as a guide for determining practical significance in a research study?

A. the mean posttest score
B. the value of p in the analysis of the data
C. the value of the standard deviation from pretest scores
D. the value of the effect size from the comparison of pretest and posttest scores


Ans: D

Social Work & Human Services

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Crisis telephone lines are an effective approach to suicide prevention, but callers must give their names in order to be helped.

Answer the following statement true (T) or false (F)

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