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developmental psychologist

发展心理学 (developmental psychology的变形)

1、发展心理学家

瑞士发展心理学家（developmental psychologist）让•皮亚杰坚持认为：儿童只有在六岁以后才能进入“具体运思期”（concrete operational phase），也就是可以从自己的视角向后的...

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