Abstract: In order to study the analysizing and synthesizing activity of the school children in selecting a title for a paragraph of a prose, the time, component and organization of the performance in selection were measured. The results showed that: 1) significant differences in all three aspects existed among the three groups of subjects which had higher, middle and lower scores in reading and arithmetic; 2) there existed three kinds of organizations of the selection activity, which might show different levels of the generalization processes; and 3) the characteristics of the selection activity as measured with the method of the present study might be used as a criterion in determining the level of the generalization pocesses in school children.

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