“…These studies, while few in number, converge to suggest that what children do on the playground links in systematic ways to some key parameters of their development (Blatchford, 1998; Boulton, 1999; Hart, 1993; Pellegrini, 1995; Pellegrini & Smith, 1993). For instance, studies have shown that recess provides children with (1) a break that helps optimize subsequent attention to school work (Smith & Hagen, 1980; see Pellegrini & Bjorklund, 1996), (2) opportunities to develop social relationships (Blatchford, 1998; Boulton, 1996), and (3) opportunities to develop social skills (Sluckin, 1981; Sutton‐Smith, 1971).…”