Abstract
The cornerstone of good research is establishing integrity. However, identifying and gaugingmethodological rigour for the Delphi technique remains elusive. This is due to a number of reasons such as the ongoing epistemological debate, along with continual modifications.Consequently, the scant studies exploring rigour are mainly experimental, component specificand outdated. This paper discusses the literature on establishing rigour in Delphi studies, themethodological trinity of reliability, validity and trustworthiness. In addition it presents adiscussion of the principal forms of establishing rigour, such as the application of rigour usingboth qualitative and quantitative measurements and corroborating results with relevantevidence in the field for each individual Delphi. Addressing such issues will help enhance thedevelopment and utilisation of rigour in the future
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