1. J. C. Stanley and M. D. Wang, “Weighting test items and test item options: An overview of the analytical and empirical literature, ” Educational and Psychological Measurement, vol. 30, pp. 21–35, 1970.
2. M. D. Wang and J. C. Stanley, “Differential weighting: A review of methods and empirical studies,” Review of Educational Research, vol. 40, pp. 663–705,1970.
3. L. Guttman, “An outline of the statistical theory of prediction,” in The Prediction of Personal Adjustment, Social Science Research Council, 1941, especially pp. 284 and 337–342.
4. C. H. Lawshe and D. H. Harris, “The method of reciprocal averages in weighting personnel data,”Educational and Psychological Measurement, vol. 18, pp. 331–336, 1958.
5. S. A. Shiba, “A method for scoring multicategory items,” Japanese Psychological vol. 7, pp. 75–79,1965.