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Kim, Weon H. – ProQuest LLC, 2017
The purpose of the present study is to apply the item response theory (IRT) and testlet response theory (TRT) models to a reading comprehension test. This study applied the TRT models and the traditional IRT model to a seventh-grade reading comprehension test (n = 8,815) with eight testlets. These three models were compared to determine the best…
Descriptors: Item Response Theory, Test Items, Correlation, Reading Tests
Stephens, Christopher Neil – ProQuest LLC, 2012
Augmentation procedures are designed to provide better estimates for a given test or subtest through the use of collateral information. The main purpose of this dissertation was to use Haberman's and Wainer's augmentation procedures on a large-scale, standardized achievement test to understand the relationship between reliability and…
Descriptors: Psychometrics, Error of Measurement, Scores, Reliability
Russell, Christine – ProQuest LLC, 2011
Currently there is no agreed-upon method for determining the difficulty level, referred to as the readability level, of Reading Curriculum-Based Measurement (R-CBM) passages. A key tenant of R-CBM is that the passages across each grade level are equivalent in difficulty level and therefore can be used to monitor student academic improvement. The…
Descriptors: Readability, Curriculum Based Assessment, Reading Fluency, Difficulty Level