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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.. (1978).
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 = ".. (1979).