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Joshua B. Gilbert – Annenberg Institute for School Reform at Brown University, 2022
This simulation study examines the characteristics of the Explanatory Item Response Model (EIRM) when estimating treatment effects when compared to classical test theory (CTT) sum and mean scores and item response theory (IRT)-based theta scores. Results show that the EIRM and IRT theta scores provide generally equivalent bias and false positive…
Descriptors: Item Response Theory, Models, Test Theory, Computation
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Choi, Kyong Mi; Lee, Young-Sun; Park, Yoon Soo – EURASIA Journal of Mathematics, Science & Technology Education, 2015
International trended assessments have long attempted to provide instructional information to educational researchers and classroom teachers. Studies have shown that traditional methods of item analysis have not provided specific information that can be directly applicable to improve student performance. To this end, cognitive diagnosis models…
Descriptors: International Assessment, Mathematics Tests, Grade 8, Models
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Abedalaziz, Nabeel; Leng, Chin Hai – Malaysian Online Journal of Educational Sciences, 2013
Most of the tests and inventories used by counseling psychologists have been developed using CTT; IRT derives from what is called latent trait theory. A number of important differences exist between CTT- versus IRT-based approaches to both test development and evaluation, as well as the process of scoring the response profiles of individual…
Descriptors: Test Theory, Item Response Theory, Difficulty Level, Models
Poliandri, Donatella; Cardone, Michele; Muzzioli, Paola; Romiti, Sara – Online Submission, 2011
The purpose of this study is to validate a test anxiety scale for Italian students. The scale is part of a questionnaire administered after the students' annual competence test by the National Institute for the Educational Evaluation of Instruction and Training (INVALSI). The aim of the scale is to explore the anxiety levels of Italian students…
Descriptors: Reading Comprehension, Standardized Tests, Rating Scales, Questionnaires