1. JM Rothstein, PhD, PT, is Professor and Head, Department of Physical Therapy (M/C 898), University of Illinois at Chicago, and Chief of Physical Therapy Services, University of Illinois Hospital, 1919 W Taylor St, Chicago, IL 60612 (USA).
2. SK Campbell, PhD, PT, FAPTA, is Professor, Department of Physical Therapy, University of Illinois at Chicago.
3. JL Echternach, EdD, PT, is Chairman, School of Community Health Professions and Physical Therapy, Old Dominion University, Norfolk, VA 23539-0288.
4. AM Jette, PhD, PT, is Senior Research Scientist, New England Research Institute Inc, 9 Galen St, Watertown, MA 02172.
5. HG Knecht, EdD, PT, is Director of Research, Orthosport Inc, 7736 W Madison St, Forest Park, IL 60130, and Associate Professor (Emeritus), Department of Physical Therapy, University of Illinois at Chicago.
6. SJ Rose, PhD, PT, FAPTA, was Associate Director for Research, Division of Physical Therapy, University of Miami School of Medicine, 5915 Ponce de Leon Blvd, Coral Gables, FL 33146, at the time the Task Force on Standards for Measurement in Physical Therapy convened. Dr Rose died on April 4, 1989.