Dr. James is considering learning a new therapeutic technique, but is unsure as to its effectiveness. She decides to conduct an extensive review of studies conducted in the last 20 years that have examined this particular therapy tool. After much work and a few calculations, she determines that the average person who received this treatment had a more favourable outcome than 85 percent of people who did not receive the treatment. Dr. James is conducting a meta-analysis study, and the percentage that she calculated is known as the ________________ statistic.

Question

Quizplus · Accepted Answer

The percentage that Dr. James calculated is known as the effect size statistic, which quantifies the difference between two groups in a standardized way, allowing for the comparison of results across studies. In this context, the effect size indicates how much more effective the therapy is compared to not receiving the therapy.

Dr James Is Considering Learning a New Therapeutic Technique, but Is