The Validity of a Generalized Scale for Comparing Interest in Natural Science Subjects

Edwards, Allen L. Experimental Design in Psychological Research. New York: Rinehart and Co., Inc., 1950.

McNemar, Quinn. "Opinion-attitude Methodology." Psychological Bulletin, LXIII (1946) 289-374.

Silance, E. B. , and Remmers, H. H. "An Experimental Master Scale: A Scale to Measure Attitude Toward Any School Subject." Purdue University Studies in Higher Education, XXXV (1934), No. 4, 84-87.

Snedecor, George W. Personal correspondence . December, 1950.

Webb, Sam C. "A Generalized Scale for Measuring Interest in Natural Science Subjects." EDUCATIONAL AND PSYCHOLOGICAL MEASUREMENT, XI (1951), 456-469.

Webb, Sam C. "The Measurement and Prediction of College Students' Interest in Natural Science Subjects." Ph.D. thesis, University of North Carolina, 1948.