Delphi exercises do not publish the number of dropouts , they make no attempt to discover the reason for dropping out , and do not assess the influence of this negative selection on the results . This all raises the possibility that the Delphi convergence may owe more to boredom than to consensus . Finally , Sackman argues that experts and xperts generally produce comparable results in Delphi exercises (Sackman , 1975 . Evidently , the Delphi method is designed to elicit estimates from experts within a group...











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