To understand migration from an evolutionary perspective, this phenomenon has so far been mainly investigated in animal species. We therefore aim to investigate the potential evolutionary roots of attitudes toward migrants in humans.

中文翻译：

---

影响对移民态度的因素——进化方法

为了从进化的角度理解迁徙，迄今为止，这种现象主要在动物物种中进行研究。因此，我们的目标是调查人类对移民态度的潜在进化根源。