Key points are not available for this paper at this time.
Far from defining a reference standard critical appraisal tool, this research shows that 'quality' is defined as much by the purpose to which evidence is to be put as by any invariant and objectively measurable quality. Pending further research, we offer a simple way of deciding how to appraise the quality of medical education research.
Yardley et al. (2011) studied this question.