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Vygotsky (1978) 提出这个抽象空间来比喻儿童在解决某一具体问题时的现阶段能力和可开发潜力之间的距离,此处的距离可以由对该问题具有专业理解的人 (expert helper),一般是父母或者老师,来辅佐缩小甚至消除。
Lev Semyonovich Vygotsky was a Russian and Soviet psychologist, best known for his work on psychological development in children and creating the framework known as cultural-historical activity theory. Wikipedia