Single Subject Designs: Current Methodologies and Future Directions

OTJR: Occupation, Participation and Health

AOTF: The American Occupational Therapy Foundation

Interventions, Effects, and Outcomes in Occupational Therapy: Adults and Older Adults

Feature Article
Single Subject Designs: Current Methodologies and Future Directions

OTJR: Occupation, Participation and Health
Vol. 30, No. 1 Winter 2010

By Mark V. Johnston, PhD, FACRM; Roger O. Smith, PhD, OT, FAOTA

ABSTRACT

Knowledge of the best uses, limitations, and quality criteria for single subject design (SSD) research has grown over the decades. High-quality SSDs provide replicable results and advance knowledge. Using modern technology, meta-analysis and systematic review methods can be applied to synthesize results of SSDs to provide best evidence on numerous important interventions (e.g., those involving assistive technology). Larger numbers of SSDs are needed.

AUTHORS

Mark V. Johnston, PhD, FACRM, is Professor, and Roger O. Smith, PhD, OT, FAOTA, is Professor and RESNA Fellow, Occupational Therapy, College of Health Sciences, University of Wisconsin–Milwaukee, Milwaukee, Wisconsin.

Accepted for publication November 16, 2009.

Address correspondence to Mark Johnston at johnsto@uwm.edu.

doi: 10.3928/15394492-20091214-02

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