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标题：Using the LLTM to evaluate an item-generating system for reading comprehension
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作者：PHILIPP SONNLEITNER
期刊名称：Psychology Science
印刷版ISSN：1614-9947
出版年度：2008
卷号：50
期号：03
出版社：Pabst Science Publishers
摘要：Due to inconclusive findings concerning the components responsible for the difficulty of reading comprehension items, this paper attempts to set up an item-generating system using hypothesis-driven modeling of item complexity applying Fischer’s (1973) linear logistic test model (LLTM) to a German reading comprehension test. This approach guarantees an evaluation of the postulated item-generating system; moreover construct validity of the administered test is investigated. Previous findings in this field are considered; additionally, some text features are introduced to this debate and their impact on item difficulty is discussed. Results once more show a strong influence of formal components (e.g. the number of presented response options in a multiple-choice-format), but also indicate how this effect can be minimized.
关键词：Rasch model, LLTM, item-generating rules, reading comprehension