Part I History and Current Status1 The Rise of Boys' Sports in the United States, 1900 to 1970 (Jack W. Berryman, University of Washington-Seattle)2 A History of Highly Competitive Sport for American Children (David K. Wiggins, George Mason University)3 Patterns of Participation and Attrition in American Agency-Sponsored Youth Sports (Martha E. Ewing, Michigan State University and Vern Seefeldt, Michigan State University) Part II Readiness for Participation4 The Concept of Readiness Applied to the Acquisition of Motor Skills (Vern Seefeldt, Michigan State University)5 Critical Periods as Optimal Readiness for Learning Sports Skills (Richard A. Magill, Louisiana State University and David I. Anderson, Louisiana State University)6 At What Age Are Children Ready to Compete? Some Psychological Considerations (Michael W. Passer, University of Washington-Seattle) Part III Social Processes7 Family and Gender-Based Influences in Sport Socialization of Children and Adolescents (Susan L. Greendorfer, University of Illinois; John H. Lewko, Laurentian University; Karl S. Rosengren, University of Illinois)8 Parental and Peer Influence on Children's Psychological Development through Sport (Robert J. Brustad, University of Northern Colorado)9 The Coach as a Focus of Research and Intervention in Youth Sports (Ronald E. Smith, University of Washington-Seattle and Frank L. Smoll, University of Washington-Seattle)10 Interpersonal Sources of Violence in Hockey: The Influence of the Media, Parents, Coaches, and Game Officials (Norman Morra, York University and Michael D. Smith, York University) Part IV Anatomical and Physiological Concerns11 The Young Athlete: Biological Growth and Maturation in a Biocultural Context (Robert Malina, University of Texas-Austin)12 Sport and the Child: Physiological and Skeletal Issues (Donald A. Bailey, University of Saskatchewan and Roy L. Rasmussen, St. Francis Xavier University)13 The Maturing Young Female Athlete: Biophysical Considerations (Christine Wells, Arizona State University and Lynda B. Ransdell, Arizona State University)14 Anabolic Steroid Use in Adolescent Athletes (David A. Van de Loo, University of Washington- Seattle and Mimi D. Johnson, University of Washington-Seattle)15 Strength Training in Children and Adolescents (David R. Webb, The Duluth Clinic)16 Overuse Injuries in Young Athletes (Russell H. Lord, Montana State University and Bill Kozar, Boise State University) Part V Psychological Issues17 Social Evaluation and the Competition Process: A Developmental Perspective (Tara Kost Scanlan, University of California-Los Angeles)18 Perceived Competence in Young Athletes: Research Findings and Recommendations for Coaches and Parents (Thelma S. Horn, Miami University and Amy Harris, Miami University)19 Enhancing Children's Sport Experiences (Terry D. Orlick, University of Ottawa and Louis Zitzelberger, University of Ottawa)20 Expertise in Youth Sport: Relations between Knowledge and Skill (Jere D. Gallagher, University of Pittsburgh; Karen E. French, University of South Carolina-Columbia; Katherine T. Thomas, Arizona State University; Jerry R. Thomas, Arizona State University)21 Competitive Anxiety: Sources, Consequences, and Intervention Strategies (Frank L. Smoll, University of Washington-Seattle and Ronald E. Smith, University of Washington-Seattle)22 Moral Development and Children's Sport (Brenda Jo Light Bredemeier, University of California- Berkeley and David Lyle Light Shields, University of California-Berkeley) Part VI Future Directions23 Sport Psychology: Future Directions in Youth Sport Research (Daniel Gould, University of North Carolina - Greensboro)24 The Future of Youth Sports in America (Vern Seefeldt, Michigan State University)