“…Including opportunities for choice in treatment programs may be beneficial because this strategy insures that highly preferred items are incorporated into programs (Lancioni, O'Reilly, & Emerson, 1996). Data from a number of studies suggest that participants' preference for the activities and reinforcers used in programs can alter treatment effectiveness (Foster-Johnson, Ferro, & Dunlap, 1994;Koegel, Dyer, & Bell, 1987;Piazza, Fisher, Hagopian, Bowman, & Toole, 1996), and choice making is often used to identify individual preferences (Fisher et al, 1992;.…”