Authors: WILLIAMS VSL POMMERICH M THISSEN D

Citation: Vsl. Williams et al., A COMPARISON OF DEVELOPMENTAL SCALES BASED ON THURSTONE METHODS AND ITEM RESPONSE THEORY, Journal of educational measurement, 35(2), 1998, pp. 93-107

Authors: THISSEN D POMMERICH M BILLEAUD K WILLIAMS VSL

Citation: D. Thissen et al., ITEM RESPONSE THEORY FOR SCORES ON TESTS INCLUDING POLYTOMOUS ITEMS WITH ORDERED RESPONSES, Applied psychological measurement, 19(1), 1995, pp. 39-49