Foreword. Frank Pajares and Tim Urdan. Adolescent Development from an Agentic Perspective. Albert Bandura. Adolescents' Development of Personal Agency: The Role of Self-Efficacy Beliefs and Self-Regulatory Skill. Barry J. Zimmerman and Timothy J. Cleary. Self-Efficacy Development in Adolescence. Dale H. Schunk and Judith L. Meece. The Impact of Perceived Family Efficacy Beliefs on Adolescent Development. Gian Vittorio Caprara, Eugenia Scabini, and Camillo Regalia. Teacher Self-Efficacy and its Influence on the Achievement of Adolescents. Anita Woolfolk Hoy and Heather A. Davis. Self-Efficacy, Adolescents' Risk-Taking Behaviors, and Health. Ralf Schwarzer and Aleksandra Luszczynska. Self-Efficacy and Adolescents in Sport and Physical Activity. Deborah L. Feltz and T. Michelle Magyar. Too Much Confidence? The Self-Efficacy of Adolescents with Learning Disabilities. Robert M. Klassen. Preparing Adolescents to Make Career Decisions: A Social Cognitive Perspective. Steven D. Brown and Robert W. Lent. Developing and Using Parallel Measures of Career Self-Efficacy and Interests with Adolescents. Nancy E. Betz. Culture and Self-Efficacy in Adolescents. Gabriele Oettingen and Kristina M. Zosuls. Factors Influencing Academic Achievement in Relational Cultures: The Role of Self-, Relational, and Collective Efficacy, Uichol Kim and Young-Shin Park. Asking the Right Question: How Confident Are You That You Could Successfully Perform These Tasks? Mimi Bong. Guide for Creating Self-Efficacy Scales. Albert Bandura. Self-Efficacy and Adolescence: Implications for Teachers and Parents. Frank Pajares.