This study aimed to determine whether problematic internet use and healthy lifestyle behaviors among high school students varied by gender, grade level, academic average, and school type variables and to investigate the relationship between problematic internet use and healthy lifestyle behaviors. The sample of the study consisted of a total of…

The present study reports on the psychometric defensibility of the Psychological Wellbeing and Distress Screener (PWDS), which is a 10-item self-report behavior rating scale for measuring youth's bidimensional (also known as dual-factor or two-continua) mental health. The PWDS was developed using preexisting items within the Health Behavior in…

This study examined gender differences in trajectories of delinquent behaviors over a 6-year period in adolescence and differential outcomes of these diverse developmental pathways. Participants were 754 children who were part of a longitudinal study of the development of early starting conduct problems. Four trajectory patterns were identified…

This study focuses on the sexual phenomenon of "hooking up." A hook-up is defined as a single sexual encounter that may or may not include sexual intercourse with someone who is a stranger, brief acquaintance, or friend. The aim of this study was to document the prevalence of hook-ups in a sample of 1,011 urban middle and high school…

Purpose: The purpose of the paper is to show that a syndrome of problem behaviours, i.e. early substance abuse, school and family problems and sexual promiscuity impairs normal development in adolescence. This comparative study looked for differences in the problem behaviour profiles of 15-year-old adolescents in the Pitkaranta district in Russia…