Rational group decision making: A random field Ising model at T=O
Rational group decision making: A random field Ising model at T=O
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DOI：
10.1016/s0378-4371(96)00456-6
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发表时间：
1997-04-15
期刊：
影响因子：
3.3
通讯作者：
Galam, S
中科院分区：
文献类型：
--
作者：
Galam, S
提出了零温外磁场中有限随机场伊辛铁磁模型的修改版本来描述群体决策。字段可以具有非零平均值。一个假设的最低限度的个人之间的冲突。然后，相互作用沿着沿着一个选择产生一个群极化，然而，这个选择是随机选择的。一个小的外部社会压力被证明有一个激烈的两极分化的影响。个人偏见与个人背景，文化价值观和过去的经验，通过淬火本地竞争领域。他们被证明是在产生一个更大的范围内的集体新的选择超越最初的工具。特别是，妥协被认为是由于个人竞争偏见的存在。冲突削弱了群体极化。该模型产生了新的心理社会学的共识和妥协的群体的见解。
A modified version of a finite random field Ising ferromagnetic model in an external magnetic field at zero temperature is presented to describe group decision making. Fields may have a non-zero average. A postulate of minimum inter-individual conflicts is assumed. Interactions then produce a group polarization along one very choice which is however randomly selected. A small external social pressure is shown to have a drastic effect on the polarization. Individual bias related to personal backgrounds, cultural values and past experiences are introduced via quenched local competing fields. They are shown to be instrumental in generating a larger spectrum of collective new choices beyond initial ones. In particular, compromise is found to result from the existence of individual competing bias. Conflict is shown to weaken group polarization. The model yields new psychosociological insights about consensus and compromise in groups.