摘要:The present study compared mother-child relationships and sociability of only children with that of children with siblings. The mother of 105 only children and 179 children with siblings responded to questionnaires on maternal attitudes and children`s sociability. The children were all enrolled in kindergartens in Seoul. The data analysis was with t-test and Pearson`s correlation. The mothers of only children reported that they were more overprotective and obedient to the children than mothers of children with siblings. Only children were less autonomous in sociability than children with siblings. `Protective` and `obedient` attitudes of mothers of only children were positively correlated with the `egocentrism` of the child and negatively correlated with `autonomy` of the child..