This chapter introduces theory that undergirds the role of testing adaptations in assessment, provides examples of item modifications and testing accommodations, reviews research relevant to each, and introduces a new paradigm that incorporates opportunity to learn (OTL), academic enablers, testing adaptations, and inferences that can be made from…

Extended time is one of the most common testing accommodations provided to students with disabilities. It is also controversial; critics of extended time accommodations argue that extended time is used too readily, without concern for how it changes the skills measured by tests, leading to scores that cannot be compared fairly with those of other…

School and teacher factors associated with reading achievement are compared to items from the National Assessment of Educational Progress (NAEP) 1985 reading assessment. Significant factors which appeared in the literature included: methods and materials, time on task, difficulty level and high teacher expectation, teacher qualifications, student…