Background: After-school programs (ASP) provide opportunities to influence children's physical activity (PA). However, little is known about the PA levels of the youngest schoolchildren. The aim of the study was to describe the level of PA intensity and sedentary time among first graders attending ASP in Norway, and to investigate factors that are…

Young children's social and emotional skills (SE skills) are highly predictive of the ease with which they transition to kindergarten as well as their success in the K-12 school system and in life after graduation (Belfield et al., 2015; Blair, 2002; Denham, 2006; Denham et al., 2014; Graziano et al., 2007; Jones et al., 2017; Moffitt et al.,…

So far, empirical evidence regarding the effects of extended education on externalizing behavior is mixed. To explore possible moderators, multilevel-analyses were conducted in a longitudinal sample of 492 students from 51 all-day schools in Switzerland. No main effects of utilization intensity, interaction quality and externalizing behavior in…

New Jersey After 3 (NJ After 3) is a private, nonprofit organization whose mission is to expand and improve afterschool opportunities for New Jersey's youth. Using both public and private resources, it supports a network of youth-service providers that deliver afterschool services based on NJ After 3's program model. Under an agreement with NJ…