Image of student photos in old yearbook with wavy coral, green and blue lines across it

Ethan Van Norman Develops a More Rigorous Approach for Identifying Effective Interventions

A nearly $900K grant from IES supports Van Norman’s work to develop a quantitatively rigorous and user-friendly measure of the effectiveness of interventions for students with disabilities and learning difficulties.

Story by

Kelly Hochbein

When a student struggles in school due to a disability or learning difficulties, the school provides interventions to help the student. In the United States, many schools use a student’s response or lack of response to intervention to make decisions about special education evaluation—a high-stakes decision for a student, particularly if it’s not clear whether an intervention is working, says Ethan Van Norman

“How can we give teachers actionable data to determine whether they should change the intervention or keep things the same?” asks Van Norman, an assistant professor of school psychology

Researchers take varying approaches to measuring an intervention’s effectiveness. Applied researchers and practitioners traditionally monitor individual student improvement by examining a graph based on student performance before, during and after an intervention. Quantitative researchers use statistical techniques to conduct large-scale analyses via studies of thousands of students. Continue reading. 

Story by

Kelly Hochbein

Related Stories

Lehigh's Alumni Memorial Building

Lehigh University Faculty Awarded Federal Grants for Special Ed, Reading Skills Research

Funded projects, including prestigious early career awards, will study reading interventions, supports for students with disabilities and teachers of students with autism.

Lehigh University's Iacocca Hall from above

Ethan Van Norman Receives APA’s Prestigious Lightner Witmer Award

The APA’s Division of School Psychology early career award recognizes Van Norman’s significant contributions to the field.

Aerial view of Lehigh University's Mountaintop Campus

A More Rigorous Approach to Determining Intervention Effectiveness

A nearly $900K grant from IES supports Ethan Van Norman’s work to develop a quantitatively rigorous and user-friendly measure of the effectiveness of interventions for students with disabilities and learning difficulties.