Adams, Henry L., Blood, Don F., and Taylor, Herbert C. " Personality Differences among Arts and Science Students, Education Students, and Experienced Teachers" The American Psychologist , XIV (1959), 371.
2.
Cook, Desmond L., Linden, James D., and McKay, Harrison E. "Analysis of Teacher Trainee Responses to Selected Personality Inventories ," EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, XXI (1961), 865-872.
3.
Gillis, John W. "The Illinois State Normal University Ecology Study." Unpublished Research Committee Report, Illinois State Normal University, 1962.
4.
Jackson, Philip W., and Guba, Egon C. "The Need Structure of In-Service Teachers: An Occupational Analysis." School Review, LXV (1957), 176-192.
5.
Murray, H. A., and others. Explorations in Personality. New York: Oxford University Press, 1938.
6.
Sanford, Nevitt (Ed.). The American College . New York: John Wiley and Sons , 1962.
7.
Stern, George G.The Activities Index. Syracuse , New York: Psychological Research Center, Syracuse University, 1958.
8.
Stern, George G. "Student Values and Their Relationship to the College Environment," in Hall T. Sprague (Ed.), Research on College Students. Boulder, Colorado : Western Interstate Commission for Higher Education, 1960, pp. 67-104.
9.
Stern, George G., Stein, Morris I., and Bloom, Benjamin S.Methods in Personality Assessment. Glencoe, Illinois : TheFree Press, 1956.
10.
Walker, Helen M. and Lev, Joseph.Statistical Inference. New York : Henry Holt and Company, 1953 .