The psychologist Michael Tomasello has studied this cooperativeness in a series of experiments with very young children.

心理学家迈克尔·托马塞洛在对幼儿进行的一系列实验中研究了这种社团性。

The evidence for the enhanced importance of cooperativeness across different interdependent contacts was more equivocal.

在不同的相互依存的接触中，对于合作的重要性增强的证据是更加模棱两可的。

Each strategy has a different level of assertiveness, which is directly asking for what we want, and cooperativeness, which is our willingness to work with others.

每种策略都有不同程度的魄力，即直接说明我们想要什么，以及合作——我们与他人合作的意愿。