Roger E. Nebergall

Roger Ellis Nebergall, Ph.D. (1926-1994). Dr. Nebergall co-authored "Attitude and Attitude Change, the Social Judgment-Involvement Approach," with Carolyn W. Sherif and Muzafer Sherif in 1965. Nebergall was a professor at the University of Oklahoma in the Department of Speech. For the project, he supervised data collection in the Southwest United States and then provided analysis and contributed to the writing of the text. Dr. Nebergall also edited the 1963 text, "Dimensions Of Rhetorical Scholarship." His thesis, written in 1956 at the University of Illinois was titled "An experimental study of rhetorical clarity."