1. Introduction : Goals and Research Framework for Studying Immigrant Youth 2. Design of the Study : Selecting Societies of Settlement and Immigrant Groups 3. Methodological Aspects : Studying Adolescents in 13 Countries 4. The Acculturation Experience : Attitudes, Identities and Behaviors of Immigrant Youth 5. Psychological and Sociocultural Adaptation of Immigrant Youth 6. Predicting Immigrant Youths' Adaptation Across Countries and Ethnocultural Groups 7. Family Relationship Values of Adolescents and Parents : Intergenerational Discrepancies and Adaptation 8. Vietnamese and Turkish Immigrant Youth : Acculturation and Adaptation in Two Ethnocultural Groups 9. Understanding Immigrant Youth : Conclusions and Implications