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实验证据表明,群体大小对文化复杂性的影响
Maxime Derex1, Marie-Pauline Beugin, Bernard Godelle
1University of Montpellier II, Place Eugène Bataillon, 34095 Montpellier Cedex 5, France.
Nature
|November 15, 2013
概括
人类的文化复杂性取决于群体规模. 较大的人口更好地保持文化知识和创新,防止技能丧失和社会崩的风险.
科学领域:
- 进化人类学的进化人类学.
- 认知科学是一种认知科学.
- 社会动态 社会动态
背景情况:
- 人类的成功与累积的文化,创新的跨代传递有关.
- 不完美的文化传播和创新忠实性对维护文化复杂性构成挑战.
- 人口规模和文化复杂性之间的关系受到辩论,人类学发现混合,经验数据有限.
研究的目的:
- 实证地研究人口规模对文化演变和复杂性的影响.
- 确定较大的人口是否有助于维护和推进文化特征.
主要方法:
- 利用一款模拟文化传播的双任务电脑游戏.
- 操纵群体大小以观察对文化复杂性的影响.
- 追踪文化知识的恶化,创新频率和特征多样性.
主要成果:
- 较大的群体规模与更高的文化复杂性有关.
- 人口规模的增加导致文化知识的恶化较小.
- 现有文化特征的改善和特征多样性的维持在较大的群体中更频繁.
结论:
- 文化进化受到人口规模的重大影响.
- 较大的人口对于保持文化复杂性和防止技能丧失至关重要.
- 由于文化技能丧失,减少群体规模可能会对社会稳定构成风险.
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