Abstract
Since the late 1980s, much has been written about the meaning of action research (AR), and the basic cycle of planning, action, observation, and reflection has been used to improve practice in many fields of human endeavor, including education and management. This article examines the meanings of rigor when the term is applied to AR and discusses some of the strategies recommended to improve rigor. Focusing questions for the article include the following: What is AR? Who does it, with whom, and for what purposes? Why and how can one make the framework/method itself more rigorous? How can one make data interpretation more rigorous? What about theory building? What about the dilemma of group involvement with rigor for the Ph.D. student and thesis writer? The author's experiences in achieving an AR Ph.D., examining AR theses, and generating and using a daisy model of AR with several groups of staff are used.

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