“…Also, several previous studies have indicated that children who spend more time outdoors are more physically active [12,15,17,37,41]. Cardon et al [40] have suggested that the provision of sufficient play space for recesses (e.g., splitting children into groups with different recess times), favoring shorter and more frequent recesses during preschool hours or encouraging supervisors to promote continued activity during outdoor play offer considerable potential for increasing activity levels in preschoolers. Increases in PA within the Australian sample were also found at 10 a.m. and at 4 p.m.…”