“…Research by Drew, Evans, Bostow, Geiger, and Drash (1982); Pavchinski, Evans, and Bostow (1989); Weiner, Sheridan, and Jenson (1998); and McGinnis, Friman, and Carlyon (1999) indicated that rewards for complete and accurate academic responding can be powerful reinforcers for school learning. Both Drew et al (1982) and Pavchinski et al (1989) required accurate responding for students to earn rewards (e.g., tokens, home-based privileges).…”