Kelly M. Allred, BA, Department of Psychology, University of Pennsylvania, Philadelphia, Pennsylvania

Elaine N. Aron, PhD, Department of Psychology, Stony Brook University, Stony Brook, New York

Marian J. Bakermans-Kranenburg, PhD, Centre for Child and Family Studies, Department of Education and Child Studies, Leiden University, Leiden, The Netherlands

Christina S. Barr, VMD, PhD, Section of Comparative Behavioral Genomics, Laboratory of Neurogenetics, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Rockville, Maryland

John E. Bates, PhD, Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana

David J. Bridgett, PhD, Department of Psychology, Northern Illinois University, DeKalb, Illinois

Amanda Bullock, MA, Department of Psychology, Carleton University, Ottawa, Ontario, Canada

Susan D. Calkins, PhD, Department of Psychology, University of North Carolina at Greensboro, Greensboro, North Carolina

Avshalom Caspi, PhD, Department of Psychology and Neuroscience, Duke University, Durham, North Carolina

Xinyin Chen, PhD, Division of Applied Psychology and Human Development, Graduate School of Education, University of Pennsylvania, Philadelphia, Pennsylvania

Ashleigh Collins, MEd, Departments of Applied Psychology and Teaching and Learning, Steinhardt School of Culture, Education, and Human Development, New York University, New York, New York

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

Kirby Deater-Deckard, PhD, Department of Psychology, Virginia Polytechnic Institute and State University, Blacksburg, Virginia

Sarah S. W. De Pauw, PhD, Department of Developmental, Personality and Social Psychology, Ghent University, Ghent, Belgium

Richard A. Depue, PhD, Laboratory of Neurobiology of Personality, Department of Human Development, Cornell University, Ithaca, New York

Angela Lee Duckworth, PhD, Department of Psychology, University of Pennsylvania, Philadelphia, Pennsylvania

Margaret W. Dyson, MA, Department of Psychology, Stony Brook University, Stony Brook, New York

Nicole M. Else-Quest, PhD, Department of Psychology, University of Maryland, Baltimore County, Baltimore, Maryland

Nathan A. Fox, PhD, Department of Human Development, University of Maryland, College Park, Maryland

Rui Fu, MA, Division of Applied Psychology and Human Development, Graduate School of Education, University of Pennsylvania, Philadelphia, Pennsylvania

Yu Fu, MS, Applied Psychology and Human Development Division, Graduate School of Education, University of Pennsylvania, Philadelphia, Pennsylvania

Jeffrey R. Gagne, PhD, Department of Psychology, University of Texas at Arlington, Arlington, Texas

Maria A. Gartstein, PhD, Department of Psychology, Washington State University, Pullman, Washington

H. Hill Goldsmith, PhD, Department of Psychology, University of Wisconsin–Madison, Madison, Wisconsin

Sarah E. Hampson, PhD, Oregon Research Institute, Eugene, Oregon

Sarah M. Helfenstein, PhD, Department of Human Development, University of Maryland, College Park, Maryland

Anja C. Huizink, PhD, Department of Developmental Psychology, Faculty of Psychology and Education, VU University, Amsterdam, The Netherlands

Salomon Israel, Department of Psychology, The Hebrew University, Jerusalem, Israel

Jerome Kagan, PhD, Department of Psychology, Harvard University, Cambridge, Massachusetts

Daniel N. Klein, PhD, Department of Psychology, Stony Brook University, Stony Brook, New York

Ariel Knafo, PhD, Department of Psychology, The Hebrew University, Jerusalem, Israel

Roman Kotov, PhD, Department of Psychiatry and Behavioral Science, Stony Brook University, Stony Brook, New York

Autumn J. Kujawa, BA, Department of Psychology, Stony Brook University, Stony Brook, New York

Shauna C. Kushner, MA, Department of Psychology, University of Toronto, Toronto, Ontario, Canada

Connie Lamm, PhD, Child Development Laboratory, Department of Human Development, University of Maryland, College Park, Maryland

Liliana J. Lengua, PhD, Department of Psychology, University of Washington, Seattle, Washington

Christina Low, BA, Department of Psychology, Washington State University, Pullman, Washington

Kevin B. MacDonald, PhD, Department of Psychology, California State University–Long Beach, Long Beach, California

Michelle M. Martel, PhD, Department of Psychology, University of New Orleans, New Orleans, Louisiana

Sandee McClowry, PhD, RN, FAAN, Departments of Applied Psychology and Teaching and Learning, Steinhardt School of Culture, Education, and Human Development, New York University, New York, New York

Ivan Mervielde, PhD (deceased), Department of Developmental, Personality and Social Psychology, Ghent University, Ghent, Belgium

Isaac T. Petersen, BA, Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana

Samuel P. Putnam, PhD, Department of Psychology, Bowdoin College, Brunswick, Maine

Mary K. Rothbart, PhD, Department of Psychology, University of Oregon, Eugene, Oregon

M. Rosario Rueda, PhD, Department of Experimental Psychology, Faculty of Psychology, University of Granada, Granada, Spain

Kimberly J. Saudino, PhD, Department of Psychology, Boston University, Boston, Massachusetts

Alice C. Schermerhorn, PhD, Department of Psychological and Brain Sciences, Indiana University, Bloomington, Indiana

Rebecca L. Shiner, PhD, Department of Psychology, Colgate University, Hamilton, New York

Jan Strelau, PhD, Faculty of Psychology, Warsaw School of Social Sciences and Humanities, University of Warsaw, Warsaw, Poland

Margaret M. Swingler, PhD, Department of Human Development and Family Studies, University of North Carolina at Greensboro, Greensboro, North Carolina

Jennifer L. Tackett, PhD, Department of Psychology, University of Toronto, Toronto, Ontario, Canada

Marinus H. van IJzendoorn, PhD, Centre for Child and Family Studies, Department of Education and Child Studies, Leiden University, Leiden, The Netherlands

Margarete E. Vollrath, PhD, Department of Psychosomatics and Health Behavior, Norwegian Institute of Public Health, Oslo, Norway

Theodore D. Wachs, PhD, Department of Psychological Sciences, Purdue University, West Lafayette, Indiana

Manjie Wang, MA, Department of Psychology, Boston University, Boston, Massachusetts

Zhe Wang, PhD, Department of Psychology, Virginia Polytechnic Institute and State University, Blacksburg, Virginia

Lauren K. White, MS, Child Development Laboratory, Department of Human Development, University of Maryland, College Park, Maryland

Fan Yang, MEd, Applied Psychology and Human Development Division, Graduate School of Education, University of Pennsylvania, Philadelphia, Pennsylvania

Bogdan Zawadzki, PhD, Faculty of Psychology, Warsaw School of Social Sciences and Humanities, University of Warsaw, Warsaw, Poland

Marcel Zentner, PhD, Department of Psychology, York University, York, United Kingdom

Marvin Zuckerman, PhD, Department of Psychology, University of Delaware, Newark, Delaware