Handbook of Peer Interactions, Relationships, and Groups

Ryan Adams, PhD, Division of Developmental and Behavioral Pediatrics, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio

Caroline B. Adelman, PhD, Center for Applied Psychological and Family Studies, Northwestern University, Evanston, Illinois

Erica Ahlich, BA, Department of Psychology, University of South Florida, Tampa, Florida

Jens B. Asendorpf, PhD, Department of Psychology, Humboldt University of Berlin, Berlin, Germany

Steven R. Asher, PhD, Department of Psychology and Neuroscience, Duke University, Durham, North Carolina

Catherine L. Bagwell, PhD, Oxford College of Emory University, Oxford, Georgia

Matthew G. Barstead, MS, Department of Human Development and Quantitative Methodology, University of Maryland, College Park, Maryland

Amy Bellmore, PhD, Department of Educational Psychology, University of Wisconsin–Madison, Madison, Wisconsin

Michel Boivin, PhD, School of Psychology, Laval University, Quebec City, Quebec, Canada

Cathyrn Booth-LaForce, PhD, Department of Family and Child Nursing, University of Washington, Seattle, Washington

Andrew R. Bower, PhD, College of Education, Texas Tech University, Lubbock, Texas

Julie C. Bowker, PhD, Department of Psychology, University at Buffalo, The State University of New York, Buffalo, New York

Mara Brendgen, PhD, Department of Psychology, University of Quebec, Montreal, Quebec, Canada

B. Bradford Brown, PhD, Department of Educational Psychology, University of Wisconsin– Madison, Madison, Wisconsin

William M. Bukowski, PhD, Department of Psychology, Centre for Research in Human Development, Concordia University, Montreal, Quebec, Canada

Marlene Caplan, PhD, Helen Arkell Centre, London, United Kingdom Lingjun Chen, MEd, Human Development and Quantitative Methods Division, Graduate School of Education, University of Pennsylvania, Philadelphia, Pennsylvania

Xinyin Chen, PhD, Human Development and Quantitative Methods Division, Graduate School of Education, University of Pennsylvania, Philadelphia, Pennsylvania

Antonius H. N. Cillessen, PhD, Behavioural Science Institute, Radboud University, Nijmegen, The Netherlands

Robert J. Coplan, PhD, Department of Psychology, Carleton University, Ottawa, Ontario, Canada

Jan Kornelis Dijkstra, PhD, Department of Sociology, University of Groningen, Groningen, The Netherlands

Melanie A. Dirks, PhD, Department of Psychology, McGill University, Montreal, Quebec, Canada

Kristen A. Dunfield, PhD, Department of Psychology, Concordia University, Montreal, Quebec, Canada

Leslie Echols, PhD, Department of Psychology, Missouri State University, Springfield, Missouri

Samuel E. Ehrenreich, PhD, Human Development and Family Studies Program, College of Education, University of Nevada, Reno, Reno, Nevada

Richard A. Fabes, PhD, T. Denny Sanford School of Social and Family Dynamics, Arizona State University, Tempe, Arizona

Wyndol Furman, PhD, Department of Psychology, University of Denver, Denver, Colorado

Scott D. Gest, PhD, Department of Human Development and Family Studies, The Pennsylvania State University, University Park, Pennsylvania

Sandra Graham, PhD, Human Development and Psychology Division, Department of Education, University of California, Los Angeles, Los Angeles, California

Ashley M. Groh, PhD, Department of Psychological Studies, University of Missouri, Columbia, Missouri

John D. Guerry, PhD, Children’s Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania

Amanda E. Guyer, PhD, Department of Human Ecology, Center for Mind and Brain, University of California, Davis, Davis, California

Laura D. Hanish, PhD, T. Denny Sanford School of Social and Family Dynamics, Arizona State University, Tempe, Arizona

Patricia H. Hawley, PhD, College of Education, Texas Tech University, Lubbock, Texas

Dale F. Hay, PhD, Centre for Human Developmental Science, Cardiff University, Cardiff, United Kingdom

William E. Hipson, MA, Department of Psychology, Carleton University, Ottawa, Ontario, Canada

Nina Howe, PhD, Department of Education, Concordia University, Montreal, Quebec, Canada

Johanna M. Jarcho, PhD, Department of Psychology, Stony Brook University, Stony Brook, New York

Jaana Juvonen, PhD, Department of Psychology, University of California, Los Angeles, Los Angeles, California

Melanie Killen, PhD, Department of Human Development and Quantitative Methodology, University of Maryland, College Park, Maryland

Thomas A. Kindermann, PhD, Department of Psychology, Portland State University, Portland, Oregon

Derek A. Kreager, PhD, Department of Sociology and Criminology, The Pennsylvania State University, University Park, Pennsylvania

Jennifer E. Lansford, PhD, Sanford School of Public Policy, Duke University, Durham, North Carolina

Brett Laursen, PhD, Department of Psychology, Florida Atlantic University, Fort Lauderdale, Florida

Jamie Leach, MA, Department of Education, Concordia University, Montreal, Quebec, Canada

Jinsol Lee, MEd, Human Development and Quantitative Methods Division, Graduate School of Education, University of Pennsylvania, Philadelphia, Pennsylvania

Carol Lynn Martin, PhD, T. Denny Sanford School of Social and Family Dynamics, Arizona State University, Tempe, Arizona

Kristina L. McDonald, PhD, Department of Psychology, The University of Alabama, Tuscaloosa, Alabama

Luke McGuire, MSc, Department of Psychology, Goldsmiths, University of London, London, United Kingdom

Alison Nash, PhD, Department of Psychology, State University of New York at New Paltz, New Paltz, New York

Adrienne Nishina, PhD, Department of Human Ecology, University of California, Davis, Davis, California

Laura L. Ooi, MA, Department of Psychology, Carleton University, Ottawa, Ontario, Canada

Isabelle Ouellet-Morin, PhD, School of Criminology, University of Montreal, Montreal, Quebec, Canada

Kätlin Peets, PhD, Department of Psychology, St. John’s University, Queens, New York; School of Natural Sciences and Health, Tallinn University, Tallinn, Estonia

François Poulin, PhD, Department of Psychology, University of Quebec at Montreal, Montreal, Quebec, Canada

Mitchell J. Prinstein, PhD, Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina

Heather L. Ramey, PhD, School of Social and Community Services, Humber College, Toronto, Ontario, Canada; Department of Child and Youth Studies, Brock University, St. Catharines, Ontario, Canada

Diana Rancourt, PhD, Department of Psychology, University of South Florida, Tampa, Florida

Diana Raufelder, PhD, Institute of Education Science, Ernst Moritz Arndt University, Greifswald, Germany

Holly E. Recchia, PhD, Department of Education, Concordia University, Montreal, Quebec, Canada

Michael T. Rizzo, BS, Department of Human Development and Quantitative Methodology, University of Maryland, College Park, Maryland

Amanda J. Rose, PhD, Department of Psychological Sciences, University of Missouri, Columbia, Missouri

Linda Rose-Krasnor, PhD, Department of Psychology, Brock University, St. Catharines, Ontario, Canada

Kenneth H. Rubin, PhD, Department of Human Development and Quantitative Methodology, University of Maryland, College Park, Maryland

Adam Rutland, PhD, Department of Psychology, Goldsmiths, University of London, London, United Kingdom

Allison M. Ryan, PhD, Combined Program in Education and Psychology, School of Education, University of Michigan, Ann Arbor, Michigan

Christina Salmivalli, PhD, Division of Psychology, University of Turku, Turku, Finland

António J. Santos, PhD, William James Center for Research, ISPA—Instituto Universitário, Lisbon, Portugal

Barry H. Schneider, PhD, School of Psychology, University of Ottawa, Ottawa, Ontario, Canada; Department of Psychology, Boston College, Boston, Massachusetts

Huiyoung Shin, PhD, Department of Educational Psychology, Oklahoma State University, Stillwater, Oklahoma

Jennifer Smith, MA, The Family Institute, Northwestern University, Evanston, Illinois

Rhiannon L. Smith, PhD, Department of Psychological Sciences, University of Connecticut, Storrs, Connecticut

Marion K. Underwood, PhD, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas

Marcel A. G. van Aken, PhD, Department of Psychology, Utrecht University, Utrecht, The Netherlands

Brian E. Vaughn, PhD, Department of Human Development and Family Studies, Auburn University, Auburn, Alabama

René Veenstra, PhD, Department of Sociology, University of Groningen, Groningen, The Netherlands

Frank Vitaro, PhD, School of Psychoeducation, University of Montreal, Montreal, Quebec, Canada