“…Interpretivism, focused on understanding the meaning of the research topic from the perspective of the participants, was the overarching epistemology given in most of the 19 articles that described some methodological principle in relation to Delphi. Reference was simply made to a qualitative research approach in six of the studies (Chan, Wey, & Chang, 2014 ; Daim, Laakso, Rubin, & Linturi, 2012 ; McNichols, 2010 ; Pérula et al, 2012 ; Santos & Gomes, 2010 ; Traynor, Boyle, & Janke, 2013 ; Van Kemenade, Hardjono, & De Vries, 2011 ), which is generally consistent with interpretivist epistemology and constructivist ontology (Andrews, Sullivan, & Minichello, 2004 ). A qualitative approach to achieve quasi-objective quantitative estimates was discussed in four studies (Brody, Byham-Gray, Touger-Decker, Passannante, & Maillet, 2012 ; López-Sánchez & Pulido-Fernández, 2014 ; Palo & Tähtinen, 2011 ; Tang & Wu, 2010 ).…”