A social and personality psychologist, Forsyth studies groups, leadership, ethical thought, and moral judgment. His general analyses of group development, structure, performance, and change are complemented by his in-depth analyses of the psychological and interpersonal consequences of success and failure at the group and individual level. He was recognized as the Outstanding Group Psychologist by the American Psychological Association in 1996 and received the Distinguished Scholar Award from the Virginia Social Science Association in 2001. He has authored over 150 books, chapters, and articles on groups and related topics, and his work has appeared in the Journal of Personality and Social Psychology, American Psychologist, and Personality and Social Psychology Bulletin. He has received grants in excess of a total of $1 million for research from the National Institute of Health and the National Science Foundation. In 1996 he founded the journal Group Dynamics and served in 2008 as the president of Society of Group Psychology and Group Psychotherapy.