Our nation is in the midst of one of the largest education reforms in decades centered on the adoption of the Common Core State Standards (CCSS) and aligned assessments. In an era of rising accountability measures and declining literacy proficiency, it is vital to ensure that educational resources, such as benchmark assessments, are appropriately…

This was a study of differential item functioning (DIF) for grades 4, 7, and 10 reading and mathematics items from state criterion-referenced tests. The tests were composed of multiple-choice and constructed-response items. Gender DIF was investigated using POLYSIBTEST and a Rasch procedure. The Rasch procedure flagged more items for DIF than did…

The impact of language characteristics in mathematics test items on student performance was evaluated for students with disabilities (SWD) and English language learners (ELL) as well as a large general student sample. Relationships were examined for test items and students at 4th, 7th, and 10th grades. The individual test item was the unit of…

This study was designed to answer two key questions about the fixed portions of the fourth, eighth, and tenth grade spring 2003 Idaho Standards Achievement Tests (ISAT) in Reading, Language Usage and Mathematics: (1) To what extent do test items exhibit substantive differences in functioning across student groups formed based on ethnicity and…