Prediction of Success in Basic German at the College Level

Bowman, J. S. , Patterson, H. D. , and Sandin, E. V. The Pennsylvania State University Placement Test in English, Form B. University Park, Pennsylvania: Office of Student Affairs, Pennsylvania State University, 1949.

Carroll, J. B. and Sapon, S. M. The Modern Language Aptitude Test and Manual. New York: The Psychological Corporation , 1959.

Guilford, J. P. Fundamental Statistics in Psychology and Education. New York: McGraw-Hill, 1956, Chapters 16 and 17.

Moore, B. V. and Castore, G. F. The Pennsylvania State University Academic Aptitude Examination. University Park, Pennsylvania: Office of Student Affairs, Pennsylvania State University, 1947.