Many studies to date have conducted a meta-analysis on a mix of effectiveness and superiority studies. This methodological flaw will lead to difficulties in interpreting the results. We addressed this issue in this article, illustrated our point with a simulated experiment, and re-analyzed a recent meta-analysis study based on the effectiveness-superiority dichotomy to provide a real-world correlate of our point of view.
ASJC Scopus subject areas
- Physical Therapy, Sports Therapy and Rehabilitation