“…There is a growing body of literature emerging around the question of effective behaviour support systems in schools which identifies elements contained in effective support systems ( Carr et al, 2002;Elias et al, 2003;Gray & Stark, 1999;Gresham, Watson, & Skinner, 2001;Lentz & Shapiro, 1985;Lewis, 2000;Lewis et al, 2002;Nelson & Colvin, 1995;Rogers, 1994Rogers, , 2000Rogers, , 2001Scott, 2001;Sugai & Horner, 2001, 2002Taylor-Greene & Kartub, 2000;Walker & Sprague, 1999;Weigle, 1997). There tends to be commonality among the various authors writing in this field.…”