The term and constructs related to social validity, as an important aspect of research on human behavior,
were developed by Montrose M. Wolf. Mont Wolf was a co-developer of Applied Behavior Analysis
(Baer, Wolf, & Risley, 1968; Risley, 2001) and a key architect of the Teaching-Family Model (Phillips,
Phillips, Fixsen, & Wolf, 1971; Wolf, 1968) that exemplified the use of Applied Behavior Analysis in
practice. The Teaching-Family Model is an enduring testament to the genius of Mont Wolf (Fixsen &
Blase, 2018) and his influence in government (Voit, 1995) and on thinking about social change (Wolf,
Kirigin, Fixsen, Blase, & Braukmann, 1995).
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