“…Being a multicomponent intervention it is not possible to isolate the contribution of each procedure. In fact, most staff training interventions rely on multiple procedures applied simultaneously (Lavie & Sturmey, 2002;Moore et al, 2002;Shore, Iwata, Vollmer, Lerman, & Zarcone, 1995), although in some cases a singular method such a performance feedback can be effective (Leblanc, Ricciardi, & Luiselli, 2005;Reedy, Thibadeau, & Luiselli, 2001;Roscoe, Fisher, Glover, & Volkert, 2006).…”