“…Third, fostering group norms around exercise intensity, timeliness, and quality of exercise completion is also a standard intervention component. Encouraging a regular position in the group, roles, and norms have all been used across a number of successful intervention trials (Brawley, Rejeski, & Lutes, 2000;Estabrooks & Carron, 1999;Estabrooks, Fox, Doerksen, Bradshaw & King, 2005;Spink & Carron, 1994).…”