A group forecaSting technique, generally uSed for future eventSSuch aS technological developmentS, that uSeS eStimateS from expertS and feedback SummarieS of theSe eStimateS for additional eStimateS by theSe expertS until reaSonable conSenSuS occurS. It haS been uSed in variouSSoftware coSt-eStimating activitieS, including eStimation of factorS influencing Software coStS. (1996-05-29)