Research supports the efficacy of intensive literacy instruction for children with moderate intellectual disabilities and Down syndrome (DS). However, much of the literature features measures closely aligned with evaluated interventions. Despite their increasing role in instruction, curriculum-based measures (CBM) are rarely featured in reading…

Data-based decision making by teams is central to implementation of response to intervention (RTI) models. Few studies have examined the actual decision-making process within RTI systems of service delivery. The purpose of this study was to examine the tier assignment decisions for students across grade-level teams in three K-5 elementary schools…

Motivated by the multiple-measures clause of recent federal policy regarding student eligibility for alternate assessments based on modified academic achievement standards (AA-MASs), this study examined how scores or combinations of scores from a diverse set of assessments predicted students' end-of-year proficiency status on statewide achievement…

Considerable variation exists across response-to-intervention (RTI) approaches. There is currently insufficient research on outcomes associated with these different RTI approaches to inform decision-making. However, school psychologists who are asked to work within an RTI model need guidance to select an approach that has a high likelihood of…

A major commitment of the National Research Center on Learning Disabilities (NRCLD) has been to work with school sites that are implementing RTI. The work with these schools began in November 2002 after the U.S. Department of Education requested that NRCLD identify, describe, and evaluate the implementation of responsiveness to intervention (RTI)…