Response to intervention (RTI) has been promoted for nearly 20 years as a valid supplement to or alternative method of learning disability (LD) identification. Nevertheless, important unresolved questions remain about its role in disability identification. We had two purposes when conducting this study of 229 economically and racially diverse poor…

This article examines a 1995 treatment validity model as a framework for identifying learning disabilities. This model: (1) examines both student performance and responsiveness to instruction; (2) delays special education referral until the effects of individual student adaptations in the regular classroom have been explored; and (3) verifies that…

Provides background information on how curriculum-based measurement (CBM) was developed, how CBM integrates traditional and classroom-based observational approaches to assessment, and how CBM has been used. Describes an alternative framework for incorporating CBM into an identification process that focuses on treatment validity and student growth.…

This article describes the two basic versions of the responsiveness-to-intervention (RTI) approach for identifying learning disabilities, the problem solving model and the standard-protocol approach. It reviews evidence on effectiveness and feasibility and concludes that more needs to be understood before RTI may be viewed as a valid…