Abstract: Using Assumed Test Model of Chinese Characters, this articlestudies the formative process of concepts. The result shows that AssumedTest Model of Chinese Characters is a good way to study the formative-process of concepts; the degree of difficulty of a concept can affect itsformative process; the curve of concept formation is one that indicatessudden change; the different tactics taken by the testee and his or herscope of knowledge and experience can affect the formative process ofconcepts. As for the formative level of concepts, there is no differenceof statistical significance between male and female testees.

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