They're theories of everything, encompassing just about everything that matters, day-to-day life, child development, mental illness, religion, war, love.

它们试图对世间的一切做出解释，包括了日常生活，儿童发展，心理疾病，宗教，战争及爱情。

耶鲁公开课 - 心理学导论课程节选

I study child development for a living and I'm interested in several questions.

我主要研究儿童的发展,我对很多问题都感兴趣

耶鲁公开课 - 心理学导论课程节选

One reason is these are interesting and falsifiable claims about child development.

一个原因是,这些是关于儿童发展的,有趣且可证伪的论断

耶鲁公开课 - 心理学导论课程节选

And so, Freud's theory is, as I said before, a theory of everyday life, of decisions, of errors, of falling in love, but it's also a theory of child development.

所以，正如之前所说，弗洛伊德的理论不仅解释了日常生活，决策，失误以及恋爱等现象，还解释了儿童的发展。

耶鲁公开课 - 心理学导论课程节选

But he studied development of the individual child because he was convinced that this development will tell him about the development of knowledge more generally.

但是,由于他深信,个体儿童的发展,能够表现出认识发展的一般规律,所以他才选择去研究个体儿童的发展

耶鲁公开课 - 心理学导论课程节选

The question is: The conflicts in psychosexual development always assumes that a child has a mother and a father, one of each, in a certain sort of familial structure.

他提的问题是：,弗洛伊德在描述性心理发展过程中,总是假设孩子是拥有父母的，是处于特定的家庭结构之中的。

耶鲁公开课 - 心理学导论课程节选