Abstract: The purpose of this study was to analyse the effect of the structure of characters on recognition. Three experiments were conducted. The results indicated: 1) Degree of similarity between the structure of characters influenced the recognition. 2) Characters with the same contour and different in contents is more difficult to identify than the characters with the same content but different in contour. 3) Familiar radicals play an important role in the reproduction of unfamiliar radicals. Children trends to replace the new radical with the familiar ones.

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