Three Years After Their Initial Publication,Smith,Glass,and Miller (1980)published a More

Multiple Choice

Three years after their initial publication,Smith,Glass,and Miller (1980) published a more extensive and sophisticated meta-analysis on the effect of psychotherapy.Results were

A) substantially less positive than the original meta-analysis.
B) slightly less positive than the original meta-analysis.
C) identical to the original meta-analysis.
D) even more positive than the original meta-analysis.