接着我为大家概要地介绍了，一些基本的心理学知识，介绍了弗洛伊德和斯金纳的学说。

And then we moved to some general introductions to some foundational ideas in the study of psychology, Freud and Skinner.

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弗洛伊德和斯金纳的理论解释了上述一切。

Freud and Skinner had explanations of all of these.

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皮亚杰要比弗洛伊德或是斯金纳成功很多,原因有以下几点

Now, Piaget fared a lot better than did Freud or Skinner for several reasons.

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