"Prévention de la violence." . . "Schüler Schikane USA Aufsatzsammlung." . . "Intimidation dans les écoles États-Unis Aspect psychologique." . . "Schikane Schüler USA Aufsatzsammlung." . . "États-Unis." . . "Gewalttätigkeit" . . . . "Treiteren." . . "USA" . . "Bullismo Stati Uniti Prevenzione." . . "Schule" . . "Acoso psicológico." . . "Interventie." . . "Bullismo Aspetti psicologici." . . "Prävention" . . "Onderwijs." . . "Preventie." . . "Intimidation dans les écoles États-Unis Prévention." . . "Violence en milieu scolaire Prévention États-Unis." . . "Harassment at work." . . "Intimidation." . . "Violencia en la escuela." . . "EDUCATION Organizations & Institutions." . . "EDUCATION Administration General." . . "Violence scolaire." . . "Assetjament a l'escola Estats Units d'Amèrica Prevenció." . . . . . . . . . . . "Electronic books"@en . "Electronic books" . "Bullying in American Schools: A Social-Ecological Perspective on Prevention and Intervention" . . . "Bullying in American Schools A Social-Ecological Perspective on Prevention and Intervention" . . . . . . "Bullying in American schools : a social-ecological perspective on prevention and intervention" . "Bullying in American schools a social-ecological perspective on prevention and intervention"@en . . . . . . . . "Electronic resource" . . . . . . . . . . . . . . . . "This is a compilation of research on bullying in school-aged youth conducted across the United States by a representative group of researchers. It emphasizes the complexity of bullying behaviours and offers suggestions for using data-based decision-making to intervene and reduce bullying."@en . . . . . . . .