“…The results of a series of studies have shown that compliance to low-p requests was enhanced when those requests were preceded by the completion of several brief, highly preferred requests/activities (Davis & Reichle, 1996;Horner, Day, Sprague, O'Brian, & Heathfield, 1991;Mace et al, 1988). Although the mechanism responsible for the effects of high-p sequences is the subject of debate (see Brandon & Houlihan, 1997;Houlihan & Brandon, 1996;Nevin, 1996, for discussion), research indicates that the intervention is effective at increasing compliance across a variety of settings and behaviors.…”