“…The behaviorist approach and the applied behavior analysis technique are commonly used for the education of individuals with intellectual disability (Cooper, Heron, & Heward, 2007;Schreck & Mazur, 2008;Welches & Pica, 2005;Brown, Percy, & Machalek, 2007;Keenan, Henderson, Kerr, & Dillenburger, 2006). Schreck and Mazur (2008) indicated that applied behavior analysis is scientifically proved to be an effective technique to teach skills to individuals with intellectual disability. As well as teaching new skills, applied behavior analysis can also be used to decrease and extinguish the problematic behaviors (Neidert, Iwata, & Dozier, 2005).…”