title: Response to Ahrendt, Houlihan, and Buchanan.
abstract: While the authors ask a broad question regarding the utility of reinforcement-based programs, I will use token economies as the exemplar in my response below, given that the piece leading to the questions related to changes in the seeming effectiveness of a token economy. The question has two parts, and each part will be addressed separately.
authors.affiliation: Southern Illinois University.
authors.forename: Joel
authors.initials: J
authors.lastname: Ringdahl