德尔菲法区别于其他专家预测法的明显特点是（）。
- A.引入了权重参数
- B.多次有控制的反馈
- C.专家之间互相取长补短
- D.至少经过4轮预测
正确答案及解析
正确答案
解析
所谓专家，在这里一般指具有专业知识、精通业务、在某些方面积累丰富经验、富有创造性和分析判断能力的人（无论有无名望）。专家预测法是以专家为索取信息的对象，运用专家的知识和经验，考虑预测对象的社会环境，直接分析研究和寻求其特征规律，并推测未来的一种预测方法。
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