This social validity study accompanied a 9-month randomized control trial that investigated the efficacy of an emergent literacy program, Early Literacy Skills Builder (ELSB), delivered in general education elementary classrooms to students with severe disabilities, including autism. The social validity research questions focused on (a) the social…

In 2010, the Institute of Education Sciences commissioned a much-needed national evaluation of response to intervention (RTI). The evaluators defined their task very narrowly, asking "Does the use of universal screening, including a cut-point for designating students for more intensive Tier 2 and Tier 3 interventions, increase children's…

The report of the national response to intervention (RTI) evaluation study, conducted during 2011-2012, was released in November 2015. Anyone who has read the lengthy report can attest to its complexity and the design used in the study. Both these factors can influence the interpretation of the results from this evaluation. In this commentary, we…

This article focuses on integration of children with and without disabilities during the early childhood years, with specific attention devoted to the notion of how predictors of high-quality programs become integrated into service delivery systems. Indicators of program quality from general education, early childhood education, and early…

This article reviews promises, practices, and provisos of alternative assessment as a basis for illustrating what is known about measuring progress of students with disabilities in statewide assessment programs. Nineteen data-based studies have been used to begin to document the effects of alternative assessment. However, it is concluded there are…