Preparing, conducting, and analyzing Delphi surveys: Cross-disciplinary practices, new directions, and advancements.

Delphi is a scientific method to organize and structure an expert discussion aiming to generate insights on controversial topics with limited information. The technique has seen a rise in publication frequency in various disciplines, especially over the past decades. In April 2021, the term yielded 28,200 search hits in Google Scholar for the past five years alone.