Table 2. Overview of treatment modifications from the most common to the least.

Treatment Modifications	Elliott and Fitzsimons (2014)	Farrell et al. (2016)	Lehmkuhl et al. (2008)	Murray et al. (2015)	Nadeau et al. (2013)	Neil et al. (2017)	Reaven and Hepburn (2003)	Russell et al. (2013)	Vause et al. (2014)	Vause et al. (2015)	Wolters et al. (2016)
Parental involvement	Y	Y	Y	Y	Y	Y	Y	Y	Y	N	Y
Increased use of visuals	Y	Y	N	Y	Y	Y	Y	Y	Y	Y	N
Incorporation of child interests	Y	Y	N	N	Y	Y	Y	Y	Y	N	N
Personalized treatment metaphors & coping statements	Y	Y	Y	N	N	Y	Y	N	Y	Y	N
Self-monitoring	Y	Y	Y	N	N	Y	Y	Y	Y	N	N
Non-verbal and concrete examples	Y	N	N	N	Y	Y	N	N	Y	Y	N
Positive reinforcement	N	N	N	N	Y	Y	N	N	Y	Y	N
Explicit directions	Y	Y	N	N	Y	N	Y	N	N	N	N
Functional Behavioral Assessment & Intervention (FBAI)	N	N	N	N	N	Y	N	N	Y	Y	N
Narratives	N	Y	N	N	N	N	Y	N	N	N	N

Y refers to “Yes, this treatment modification has been used in the referred study.” N refers to “No, this treatment modification has not been used in the referred study.”