Rohall, David E.: - David Rohall received his Ph.D. in 2000 from University of Maryland-College Park, and is now Department Head and Professor of Sociology at Missouri State University. In addition to general courses in sociology, Dr. Rohall teaches courses in sociological social psychology, identity, and socialization. His primary research interests lie within the social structure and personality perspective, including the study of how social structural conditions impact individuals' sense of self and their attitudes and beliefs about the world.