This dissertation comprises three complementary studies that aim to advance the understanding and practice of Individualized Education Programs (IEP) and Present Levels of Academic Achievement and Functional Performance (PLAAFP) development in special education. In the first study, we systematically reviewed empirical research measuring IEP…

Large-scale summative assessment results are typically used for program-evaluation and resource-allocation purposes; however, stakeholders increasingly desire results from large-scale K-12 assessments that inform instruction. Because large-scale summative results are usually delivered after the end of the school year, teacher use of results is…

This report is an update of the assessment principles and guidelines for English language learners published in 2013 (Thurlow, Liu, Ward, & Christensen). That report, which was developed by the Improving the Validity of Assessment Results for English Language Learners with Disabilities (IVARED) project, presented essential principles of…

This study reports findings from studies examining potential read-aloud accommodations on standardized reading comprehension assessments for students with decoding difficulties. Three types of accommodations were evaluated: question stems and answer options read aloud; question stems, answer options, and proper nouns read aloud; and full…

In the area of written expression, students with emotional and behavioral disorders (EBD) typically perform one to two grades below their same age, non-disabled peers. Unfortunately, there is a lack of research on writing interventions to improve these outcomes. The purpose of this study was to examine the effect of a persuasive writing strategy…

Today's classrooms contain students with a variety of needs. Although teachers work to differentiate and meet the needs of diverse students, inclusion of students with physical disabilities can present multiple obstacles in science classrooms. However, with advanced planning and strategic accommodations, the needs of these students can often be…

This study reports findings from studies examining potential read-aloud accommodations on standardized reading comprehension assessments for students with decoding difficulties. Three types of accommodations were evaluated: question stems and answer options read aloud; question stems, answer options, and proper nouns read aloud; and full…