The Impact of Non-Parental Child Care on Child Development: Evidence from the Summer Participation “Dip” Although a large literature examines the effect of non-parental child care on preschool-aged children’s cognitive development, few studies deal convincingly with the potential endogeneity of child care choices. Using a panel of infants and toddlers from the Birth cohort of the Early Childhoo...

The Helios voting scheme is well studied including formal proofs for verifiability and ballot privacy, but it does not provide participation privacy (i.e. it reveals who participated in the election). Kulyk, Teague and Volkamer proposed an extension to Helios that is claimed to provide ballot privacy as well as participation privacy while providing stronger verifiability than Helios. However, t...

This paper considers the relationship between self-regulation strategies and youth civic and political experiences, assuming that out-of-school learning can foster metacognition. The study is based on a sample of 732 Portuguese students from grades 8 and 11. Results show that the quality of civic and political participation experiences, together with academic self-efficacy, are significant pred...

BACKGROUND Work participation is a common activity for young adolescents. Yet it may impact upon other aspects of their lives and their health. We sought to provide some of the first Canadian population-based estimates of 12 to 14 year olds' employment and work injury experiences, a group typically excluded from labour force statistics. METHODS Secondary data analysis of school-based surveys ...