Includes bibliographical references and index.

Introduction / Sonia Livingstone and Leslie Haddon -- Section 1: Researching European children online -- What we know, what we do not know / Verónica Donoso, Kjartan Ólafsson and Thorbjörn Broddason -- Research with children / Bojana Lobe, José Alberto Simões and Bieke Zaman -- Opportunities and pitfalls of cross-national research / Uwe Hasebrink, Kjartan Ólafsson and Václav Stetka -- Cultures of research and policy in Europe / Leslie Haddon and Gitte Stald -- Section II: Going online: new opportunities? -- Opportunities and benefits online / Pille Runnel, Veronika Kalmus, Pille Runnel and Andra Siibak -- Adolescents and social network sites: identity, friendships and privacy / Jochen Peter, Patti M. Valkenburg and Cédric Fluckiger -- Young people online: gender and age influences / Helen McQuillan and Leen d'Haenens -- Digital divides / Panayiota Tsatsou, Pille Pruulmann-Vengerfeldt and Maria Francesca Murru -- Section III: Going online: new risks? -- Risky contacts / Marika Hanne Lüders, Petter Bae Brandtzæ and Elza Dunkels -- Inappropriate content / Thomas Wold, Elena Aristodemou, Elza Dunkels and Yiannis Laouris -- Problematic conduct: juvenile delinquency on the internet / Elisabeth Staksrud -- Children and the internet in the news: agency, voices and agendas / Cristina Ponte, Joke Bauwens and Giovanna Mascheroni -- The role of parental mediation in explaining cross-national experiences risk / Bojana Lobe, Katia Segers and Liza Tsaliki -- Section IV: Policy implications -- Maximising opportunities and minimising risks for children online / Jos de Haan -- Parental mediation / Lucyna Kirwil, Maialen Garmendia, Carmelo Garitaonandia and Gemma Martínez Fernández -- Making use of ICT for learning in European schools / Ingrid Paus-Hasebrink, Andrea Dürager, Christine Wijnen and Kadri Ugur -- Media literacy / Brian O'Neill and Ingunn Hagen -- Conclusion / Sonia Livingstone and Leslie Haddon.