First published on November 13, 2008
Physical Therapy 2009;89:91.
Physical Therapy
DOI: 10.2522/ptj.20070236
Advancements in Contemporary Physical Therapy Research: Use of Mixed Methods Designs
Lauren Rauscher and
Bruce H Greenfield
L Rauscher, PhD, is Assistant Professor (Sociology), Department of Human Development, California State University–Long Beach, Long Beach, California.
BH Greenfield, PT, PhD, OCS, is Assistant Professor, Division of Physical Therapy, Department of Rehabilitation Medicine, Emory University School of Medicine, 1441 Clifton Rd NE, Atlanta, GA 30322 (USA).
bgreenf{at}emory.edu
The purpose of this article is to advocate for the use of mixed methods designs in contemporary physical therapist research. Mixed methods research is a design for collecting, analyzing, and mixing both quantitative and qualitative data in a single study or series of studies to both explain and explore specific research problems, thereby enriching the breadth and depth of understanding phenomena. These designs are particularly well suited for physical therapist researchers to reveal the complexity of disablement, rehabilitation, and recovery processes. Although contextual factors influence a person's health condition and recovery, they remain empirically less understood and underexplored by physical therapist researchers. To address this gap, the authors describe various combinations of quantitative and qualitative methods and data within a single study or set of related studies and the decisions that underlie the uses of these combinations. They include examples from current physical therapist research and applications from the International Classification of Functioning, Disability and Health (ICF) model. They argue that the rigorous application of quantitative and qualitative methods and data can propel physical therapist research and practice forward by stimulating new research questions, creating a holistic understanding of patient injury and rehabilitation, and contributing to innovative, complex treatment interventions.

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Copyright © 2008 by the American Physical Therapy Association.