Abstract: This paper studies preliminarily the processing mechanism of storyschema to story comprehension using two-episode stories and twodifferent recalls. 120 subjects included 40 primary school pupils of thefifth grade. 40 higk school students of tke first grade and 40 collegestudents. The results show that (1 ) the processing mechanism of storyschema is mainly two-level editing, especially the secondary editing;(2 ) the story schema can process some irrelevant information undercertain ways; (3 )the strength of the processing units in the story schemasorresponding with the nodes is not equal and it varies from age to age.

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