The Delphi method has emerged as a versatile tool to synthesise expert opinion in situations where empirical evidence is either incomplete or rapidly evolving. In both health and education, this ...

2 Department of Epidemiology and Public Health, The Queen’s University of Belfast, Belfast BT12 6BJ, Northern Ireland, UK 3 Institute of Postgraduate Medical and Health Sciences, University of Ulster, ...

Whereas quantitative refers to numeric and objective qualities that someone can measure, qualitative refers to subjective qualities that rely on opinion, observation or listening abilities.