Alan L Smith Author & Editor

Thelma S. Horn, PhD, is a professor and member of the graduate faculty at Miami University of Ohio. Horn is an editorial board member of several journals in the sport and exercise psychology and general psychology fields. She is a former editor and associate editor of the Journal of Sport and Exercise Psychology and was an associate editor for the Journal of Applied Sport Psychology.

Horn received her PhD in psychology of sport and physical activity from Michigan State University. She earned a master of arts degree in coaching behavior from Western Michigan University at Kalamazoo and a bachelor of arts degree in psychology from Calvin College in Grand Rapids, Michigan.

Besides being editor of the previous three editions of Advances in Sport Psychology, Horn has published many articles on topics within the psychology of sport and physical activity field. In 1999, she was co-winner of the research writing award from Research Quarterly for Exercise and Sport. Horn also was recently inducted as a fellow in the National Academy of Kinesiology. In her free time, Horn enjoys reading, writing, running, and spending time with family and friends.

Alan L. Smith, PhD, is a professor and the chairperson of the department of kinesiology at Michigan State University. Smith has served as associate editor of the Journal of Sport and Exercise Psychology and on the editorial boards of Adapted Physical Activity Quarterly; Child Development; International Journal of Sport Psychology; Journal of Applied Sport Psychology; Kinesiology Review; and Sport, Exercise, and Performance Psychology. Smith is a fellow of the National Academy of Kinesiology (USA) and is a past president of the North American Society for the Psychology of Sport and Physical Activity.

Smith received his PhD in exercise and movement science from the University of Oregon. He earned a master of science degree in exercise and sport science from the University of North Carolina at Greensboro and a bachelor of arts degree in psychology from the University of Rochester (New York).

Smith’s research addresses the link between young people’s sport and physical activity involvement and their psychological and social functioning. He is widely known for his research on peer relationships in the physical activity domain and the motivational implications of these relationships for children and adolescents. His work has been funded by the National Institute of Mental Health and the U.S. Department of Education as well as other agencies. In his free time, Smith enjoys running and spending time with his family.