“…Treatment plans implemented with poor integrity make it difficult to draw accurate inferences about the relationship between an intervention and behavior change (Gutkin, 1993). In many consultation cases, absent or weak treatment effects might be the result of an intervention's poor integrity, despite its demonstrated empirical support (Cautilli, Tillman, Axelrod, Dziewolska, Hineline, 2006; Cautilli, Riley-Tillman, Axelrod, & Hineline, 2005). According Gresham (1989), “Many failures in consultation and interventions probably can be attributed to the fact that intervention plans are not implemented as intended” (p. 137).…”