: The survey is conducted in at least two rounds (rarely more than three), allowing participants to see group results and refine their opinions.
: Experts respond individually and their identities are typically kept from one another, which helps prevent the "halo effect" where high-ranking members might unfairly influence others. Delphi
: After each round, a facilitator provides a summary of the group’s views, enabling experts to reconsider their judgments based on the collective reasoning. : The survey is conducted in at least
The technique is defined by several unique features that distinguish it from standard focus groups: Delphi
: The final result is often presented as a statistical average of the panel's opinions, ensuring every member's view is reflected. Common Applications Introduction to the Delphi Method