Delphi effect
The Delphi effect is the theory that the averaged opinion of a mass of equally competent observers produces somewhat more reliable predictions than that of a single, arbitrarily selected observer.
The Delphi Effect was described by Eric S. Raymond in his book " The Cathedral and the Bazaar ".
See also
Web links
- Harold A. Linstone and Murray Turoff (Eds.): The Delphi Method: Techniques and Applications. 2002.