1. Allen, W. R. Correlates of black student adjustment, achievement, and aspirations at a predominantly white southern university. In G. E. Thomas (Ed.),Black Students in Higher Education: Conditions and Experiences in the 1970s. Westport, Conn.: Greenwood Press, 1981.
2. Astin, A. W. Student persistence: Some stay, some don't?why?College and University 1973,48 298?306.
3. Astin, H. S., and Cross, P. H. Black students in black and white institutions. In G. E. Thomas (Ed.),Black Students in Higher Education: Conditions and Experiences in the 1970s. Westport, Conn.: Greenwood Press, 1981.
4. Barger, B., and Hall, E. Personality patterns and achievement in college.Educational and Psychological Measurement 1964,24 339?346.
5. Beal, P. E., and Noel, L.What Works in Student Retention. Iowa City: American College Testing Program and National Center for Higher Education Management Systems, 1980.