“…Full facilitators were social interaction and being rewarded for participation in physical activities. Twelve studies noted that social engagement with peers, friends, or a team encouraged physical activity in people with ID (Barr & Shields, 2011;Brooker et al, 2015;Dixon-Ibarra, Driver, Vanderbom, & Humphries, 2016;Downs et al, 2014;Downs, Boddy, Knowles, Fairclough, & Stratton, 2013;Frey, Buchanan, & Rosser Sandt, 2005;Mahy, Shields, Taylor, & Dodd, 2010;Menear, 2007;Temple & Stanish, 2011;Temple & Walkley, 2007;Tsai & Fung, 2009;van Schijndel-Speet, Evenhuis, van Wijck, van Empelen, & Echteld, 2014). In six studies (25%), being praised or rewarded was described as having a facilitating effect (Barr & Shields, 2011;Dixon-Ibarra et al, 2016;Frey et al, 2005;Mahy et al, 2010;Temple & Walkley, 2007;van Schijndel-Speet et al, 2014).…”