00898nas a2200121   4500008004100000245007300041210006900114490001100183520045200194100001500646700001900661856009600680       2001                        eng d00aPolytomous modeling of cognitive errors in computer adaptive testing0 aPolytomous modeling of cognitive errors in computer adaptive tes0 v2 (4).3 aUsed Monte Carlo simulation to compare the relative measurement efficiency of polytomous modeling and dichotomous modeling under different scoring schemes and termination criteria. Results suggest that polytomous computerized adaptive testing (CAT) yields marginal gains over dichotomous CAT when termination criteria are more stringent. Discusses conditions under which polytomous CAT cannot prevent the nonuniform gain in test information. (SLD)1 aWang, L -S1 aLi., Chun-Shan  uhttp://www.iacat.org/content/polytomous-modeling-cognitive-errors-computer-adaptive-testing