In research reported in your text, an analysis of 400 controlled studies evaluating the effectiveness of psychotherapy found that the average person receiving therapy did better than approximately what percentage of people placed on waiting lists for therapy?

Question

Quizplus · Accepted Answer

The analysis found that the average person receiving therapy did better than approximately 80% of people placed on waiting lists, indicating a significant positive effect of psychotherapy.

In Research Reported in Your Text, an Analysis of 400