Rigor in qualitative research: the assessment of trustworthiness

L Krefting
American Journal of Occupational Therapy: Official Publication of the American Occupational Therapy Association 1991, 45 (3): 214-22
Despite a growing interest in qualitative research in occupational therapy, little attention has been placed on establishing its rigor. This article presents one model that can be used for the assessment of trustworthiness or merit of qualitative inquiry. Guba's (1981) model describes four general criteria for evaluation of research and then defines each from both a quantitative and a qualitative perspective. Several strategies for the achievement of rigor in qualitative research useful for both researchers and consumers of research are described.


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