Publications & Resources
A Two-Parameter Latent Trait Model
Dec 1983
Bruce Choppin
(This report was published by CRESST under its earlier name at UCLA as the Center for the Study of Evaluation, or CSE.)
Choppin, B. (1983). A two-parameter latent trait model (CSE Report 197). Los Angeles: University of California, Los Angeles, Center for the Study of Evaluation.