“…In the field of education, meta-analysis has been used to assess the relation between classroom size and achievement (e.g., McGiverin, Gilman, & Tillitski, 1989) and to examine the efficacy of mainstreaming programs for special education students (e.g., Wang & Baker, 1985). In the medical sciences, meta-analysis has been used in multiple areas including, for example, an examination of the relationship between breast cancer risk and mammography screening (McCaul, Branstetter, Schroeder, Glasgow, 1996).…”