This report provides an update on the state of the research on testing accommodations. Previous reports by the National Center on Educational Outcomes (NCEO) have covered research published since 1999. In this report, we summarize the research published in 2019. During 2019, 11 research studies were published on the topic of testing accommodations…

This report provides an update on the state of the research on testing accommodations. Previous reports by the National Center on Educational Outcomes (NCEO) have covered research published since 1999. In this report, we summarize the research published in 2020. During 2020, 11 research studies addressed testing accommodations in the U.S. K-12…

The purpose of this report is to present a synthesis of the research on test accommodations for U.S. elementary and secondary students (K-12) published in 2018. The academic literature described here encompasses empirical studies of performance comparability, investigations into accommodations use, implementation practices, and perceptions of the…

This report presents the findings of an analysis of states' FFY 2018 State Systemic Improvement Plans (SSIPs), submitted to the U.S. Department of Education's Office of Special Education Programs (OSEP) in April 2020. It specifically addresses how assessments were included in states' State-Identified Measurable Results (SIMRs). For states with…

This "Guide" is an update to the State Guide to Universally Designed Assessments produced by the National Center on Educational Outcomes (NCEO) in 2006 (Johnstone et al.). It provides a brief overview of what a universally designed assessment is, followed by a set of steps for states to consider when designing and developing, or…

English language learners (ELLs) with disabilities are required to participate in all state and district assessments similar to their peers without disabilities. This includes assessments used for the Elementary and Secondary Education Act (ESEA) Title I accountability purposes for demonstrating proficiency in academic content, assessments used…

This article reports on findings from a review of statewide large-scale test blueprints. The qualitative and descriptive numerical review of themes found in state blueprints provides information on trends in statewide reading assessments. These trends are then set against the backdrop of testing accommodations for students with disabilities.…

A report providing an update on the state of the research on testing accommodations as well as to identify promising future areas of research. Previous reports by NCEO have covered research published since 1999. NCEO summarizes the research to review current research trends and enhance understanding of the implications of accommodations use in the…

Large data sets from a state reading assessment for third and fifth graders were analyzed to examine differential item functioning (DIF), differential distractor functioning (DDF), and differential omission frequency (DOF) between students with particular categories of disabilities (speech/language impairments, learning disabilities, and emotional…

Within the context of standards-based educational systems, states are using large scale reading assessments to help ensure that all children have the opportunity to learn essential knowledge and skills. The challenge for developers of accessible reading assessments is to develop assessments that measure only those student characteristics that are…