Cronbach, L. J.Essentials of Psychological Testing. New York: Harper and Row , 1960.
2.
Frederiksen, N. and Gilbert, A.Replication of a Study of Differential Predictability . EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, 1960, 20, 759-767.
3.
Frederiksen, N. and Melville, D.Achievement of Engineering Students and the Strong Vocational Interest Blank. Journal of Applied Psychology, 1952, 36, 169-173.
4.
Frederiksen, N. and Melville, D.Differential Predictability in the Use of Test Scores . EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, 1954, 14, 647-656.
5.
Strong, E. K.Manual for Strong Vocational Interest Blanks for Men and Women. California: Consulting Psychologists Press, 1959.