This study examined characteristics of multiple-choice reading comprehension tasks suspected of influencing their difficulty, through administration of the California Achievement Tests to 158 deaf college students. Problem components evaluated included manifest content, psychologically salient features, and processing demands. Variation in item…

The passage dependence of an item refers to the degree to which it is necessary to read the associated passage in order to be able to answer that item correctly. This paper studies the value of obtaining data about passage dependence in the construction of reading comprehension achievement tests. Passage dependence indices were examined in several…

The extent, causes, and importance of context effects on item parameters for one- and three-parameter latent-trait models were examined. Items were taken from the California Achievement Tests Reading Comprehension and Mathematics Concepts and Applications subtests. The reading items were administered to 1,678 fourth-grade students, and the…

To explain the discrepancy between median scores on the 1976 administration of the California Achievement Tests (CAT) and the Sequential Tests of Educational Progress (STEP) in the Austin Independent School District (AISD), ten technical variables typical of achievement tests were considered as explanations. (1) The STEP may measure different…