how is consensus defined when using the delphi method 
although the delphi method seeks to pinpoint an area of mutual agreement among the pool of experts it is unlikely that the participants will be in complete agreement on all issues even after several rounds of questionnaires and opportunities for reassessment researchers applying the delphi method may have different thresholds for exactly what constitutes a consensus and some critics of the method point to the subjective nature of this determination as a shortcoming 2