1. Agresti, A. (1990).Categorical data analysis. New York: Wiley & Sons.
2. Bahadur, R. (1961). A representation of the joint distribution of responses ton dichotomous items. In. H. Solomon (Ed.),Studies in item analysis and prediction. (pp. 158–68). Palo Alto, CA: Stanford University Press.
3. Becker, R.A., Chambers, J. M., & Wilks, A. R. (1988).The new S Language. New York: Chapman & Hall.
4. Benjamini, Y., & Hochberg, Y. (1995). Controlling the false discovery rate: A practical and powerful approach to multiple testing.Journal of the Royal Statistical Society, Series B, 57, 289–300.
5. Birch, M.W. (1964). The detection of partial association I: The case.Journal of Royal Statistical Society, Series B, 27, 313–324.