“…The challenge to provide novelty is further compounded when children with severe and profound disabilities exhibit little or no interest in commercially available toys and materials that readily excite children without disabilities, leaving teachers, parents, and therapists with the difficulty of identifying stimuli that hold meaning and interest for these students. Procedures for conducting reinforcer stimulus preference assessments for students with profound disabilities have been reported (Ivancic & Bailey, 1996;Leatherby, Gast, Wolery, & Collins, 1992;Wacker, Berg, Wiggins, Muldoon, & Cavanaugh, 1985), along with the impact of identification on student response and task performance (Gast et al, 2000;Smith et al, 2001), yet identification of consistent reinforcers can be extremely difficult and complicated (Gast et al, 2000). Whereas Logan et al reported a direct correlation between lack of progress in learning new skills and the lack of identification of effective reinforcers, , in their review of the literature on preference assessments, further identified a need to incorporate results of preference assessments into instruction and activities for persons with profound intellectual disabilities.…”