“…Studies using applied behavior analysis have demonstrated that prompting effectively increases safety belt use (Austin, Alvero, & Olson, 1998;Engerman, Austin, & Bailey, 1997;Cope, Moy, & Grossnickle, 1988;Cox, Cox, & Cox, 2000;Geller, Bruff, & Nimmer, 1985;Thyer, Geller, Williams, & Purcell, 1987;Williams, Thyer, Bailey, & Harrison, 1989). Signs and volunteers were used in four of these prompting studies, with substantial increases in safety belt use resulting in each case.…”