Abstract: 96 kindergarten children of the 3-4(1/2) years old age group participatedin this study. Among them 48 were non-onlies and 48 paired onlies. Themethods were observation and the use of questionnaires. The resultsshowed that there were no significant differences in adaptative behav-ior between .these two groups .of children. Factors which had influenceupon the adaptative behavior, suitable indicators in studying this pheno-menon and effective teaching methods in decreasing children's separa-tion anxiety were also discussed.

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