This longitudinal study examined trajectories of change in adolescents' perceptions of four dimensions of school climate (academic support, behavior management, teacher social support, peer social support) and the effects of such trajectories on adolescent problem behaviors. We also tested whether school climate moderated the associations between deviant peer affiliation and adolescent problem ...

Education is a basic right for every Indonesian citizen. However, in reality, education Indonesia not evenly distributed so that many residents certain regions or areas such as the 3T area still do get proper either terms of facilities infrastructure students from choose outside which has good education. worthy both and infrastructure. The challenge must be faced by they have to adapt adjust le...

Online Social Networks like Facebook, MySpace, Xing, etc. have become extremely popular. Yet they have some limitations that we want to overcome for a next generation of social networks: privacy concerns and requirements of Internet connectivity, both of which are due to web-based applications on a central site whose owner has access to all data. To overcome these limitations, we envision a par...

background: foreign immigrants form the part of the population of each country. among the foreign immigrant population in iran, the share of immigrants and nationals from afghanistan is very noticeable. one of the factors that affect this people's physical and mental health is social support. this study aimed to investigate the status of social support and its effective factors on afghan immigr...

This study examined whether self-esteem mediated the association between peer relationships and internalizing problems (i.e., depression and social anxiety). A total of 7290 (3756 girls) adolescents (ages 13–18 years) completed self-report measures of peer relationships, including direct and indirect victimization, social isolation, friendship attachment (alienation and trust) and friendship qu...

A variety of peer-to-peer systems use social networks to establish trust between participants. Yet the sharing of social information introduces privacy concerns. This paper proposes new privacy-preserving cryptographic protocols that enable participants to verify social proximity while exposing minimal information about the parties’ social contacts. Compared to previous results, our protocols a...