更改

*群体决策可能会出现少数人控制决策结果的现象，违背了群体决策的初衷。

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=关键人物=

[http://baike.baidu.com/link?url=d4P5VD73ARCMckdb1H5Al0u7PlsHF2lsiXahYSTcffknnqpym8WRMu8l0S_n8x1V4y8cXHU6x_2cd8-fXsqp0K 肯尼思·J·阿罗]

=参考资料=