“…Backup reinforcement may include a variety of preferred classroom activities such as extra recess time, early dismissal or access to additional materials (e.g., stickers and glitter for art time). Within the literature, token economies have often been evaluated at the individual level (McGoey & DuPaul, 2000;Conyers, Miltenberger, Maki, Barenz, Jurgens, Sailer, Haugen, & Kopp, 2004;Boren & Colman, 1970) however they may also be administered as group-wide token economies (Cooper, Heron & Heward;Ward, 1992;Macciomei, 1999) where earning a token is contingent on the behavior of each member of the group.…”