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Download full textKostin, Irene – Educational Testing Service, 2004
The purpose of this study is to explore the relationship between a set of item characteristics and the difficulty of TOEFL[R] dialogue items. Identifying characteristics that are related to item difficulty has the potential to improve the efficiency of the item-writing process The study employed 365 TOEFL dialogue items, which were coded on 49…
Descriptors: Statistical Analysis, Difficulty Level, Language Tests, English (Second Language)
Sinharay, Sandip; Almond, Russell; Yan, Duanli – Educational Testing Service, 2004
Model checking is a crucial part of any statistical analysis. As educators tie models for testing to cognitive theory of the domains, there is a natural tendency to represent participant proficiencies with latent variables representing the presence or absence of the knowledge, skills, and proficiencies to be tested (Mislevy, Almond, Yan, &…
Descriptors: Statistical Analysis, Epistemology, Educational Assessment, Item Response Theory
