Delphi Technique Process

The Delphi technique is a multistage process designed to combine opinion into group consensus (McKenna, 1994). The process being:
. Pilot testing – small group.
. Initial questionnaire – qualitative comments solicited.
. Initial feedback – quantitative after statistical analysis of the initial opinions.
. Subsequent questionnaire – qualitative comments solicited again.
. Subsequent feedback – quantitative after statistical analysis. This provides participants the opportunity to change their opinions.

Source: Grisham, T. (2009). The Delphi technique, a method for testing complex and multifaceted topics. International Journal of Managing Projects in Business, 2(1), 112–130.