Stuart Oskamp's main research interests are in the areas of attitudes and attitude change, applied social psychology, behavioral aspects of energy and resource conservation, and social issues and public policy. His books include Attitudes and Opinions and Applied Social Psychology. He has been elected President of the Society for the Psychological Study of Social Issues (SPSSI) and of the APA Division of Population and Environmental Psychology, and as a member of the American Psychological Association (APA) Council of Representatives. He has also served as editor of the Journal of Social Issues and of the Applied Social Psychology Annual. In 2009, Dr. Oskamp was awarded both the American Psychological Foundation's Gold Medal for Life Achievement in the Application of Psychology from the American Psychological Association and the Social Responsibility Award from the Western Psychological Association.
From 1984 to 2003 he organized the annual Claremont Symposium on Applied Social Psychology and co-edited the resulting annual volume published by Sage Publications. He also sings tenor in the Claremont Chorale.