A Computer Program To Provide Test Analysis Including Correction-for-Guessing Scoring Where Item Decoys Are Heterogeneous1

Hammond, K. R. and Householder, J. E. Introduction to the statistical method. New York: Alfred A. Knopf, 1962.

Schafer, W. D. The measurement of dispersion for categorical data and applications to the decoys of multiple-choice items . Paper delivered at the meeting of the National Council on Measurement in Education, New Orleans, February 1973.

Zinger, A. A note on multiple-choice items . Journal of the American Statistical Association, 1972, 67, 340-341.