有助于減輕數(shù)據(jù)的偏倚,防止任何個(gè)人對(duì)結(jié)果產(chǎn)生不恰當(dāng)?shù)挠绊懙姆椒ㄊ?span>( )。A、頭腦風(fēng)暴 B、德?tīng)柗萍夹g(shù) C、訪談 D、根本原因分析