“…Recently, researchers have shown how educators can enhance students' perceptions of assignments and academic behaviors by lengthening assignments (Johns et al, in press;Logan & Skinner, 1998;McCurdy, Skinner, Grantham, Watson, & Hindman, 2001;Skinner, Fletcher, Wildmon, & Belfiore, 1996;Skinner et al, 1999;Skinner, Robinson, Johns, Logan, & Belfiore, Skinner, Wallace, and Neddenriep 59 1996;Wildmon, Skinner, McCurdy, & Sims, 1999;Wildmon, Skinner, & McDade, 1998). Skinner, Robinson et al (1996) allowed college students to work on two mathematics assignment.…”