Allen W. Heinemann, PhD, ABPP

Professor, Physical Medicine and Rehabilitation

Feinberg School of Medicine, Northwestern University

Director, Center for Rehabilitation Outcomes Research

Rehabilitation Institute of Chicago

Disability Determination Process:
The Need for Fundamental Change


The Need for Fundamental Change


5-Step Sequential Disability Determination Process


Appeals Process…

Initial DDS Determination

Source: Social Security Advisory Board, January 2001.


Appeals Burden

Source: Honorable Jo Anne B. Barnhart, Commissioner of Social Security. Testimony before the House Ways and Means Committee, 9/25/03


Costs of Appeals


OHA Appeals Outcome


Disability Research Institute Project


Project Design and Sample


SSA Forms for Data Extraction


Unprecedented Opportunity


Data Analysis

Classification and Regression Tree Analysis (CART)


Implications & Next Steps