Koch, W. J., & Reckase, M. D.. (1978). A live tailored testing comparison study of the one- and three-parameter logistic models (Research Report 78-1). Columbia MO: University of Missouri, Department of Psychology.

Koch, W. J., & Reckase, M. D.. (1979). Problems in application of latent-trait models to tailored testing (Research Report 79-1). Columbia MO: University of Missouri, Department of Psychology", (also presented at National Council on Measurement in Education, 1979: ERIC No. ED 177 196) note = ".