“…For example, investigations have found that students that exhibit more severe behavior problems, both externalizing and internalizing, are more likely to be placed in more restrictive environments (Kauffman et al, 1987;McClure, Ferguson, Boodoosingh, Turgay, & Stavrakaki, 1989). Likewise, students with lower intellectual ability scores and lower levels of academic achievement are more likely to be placed in more restrictive environments (Glassberg, 1994;Kauffman et al, 1987;Lane, Barton-Atwood, Nelson, & Wehby, 2008;Luebke, Epstein, & Cullinan, 1989).…”