Abstract: Two-wave longitudinal data on mother-child relationship,social behavior and peer acceptance were collected from a sample of children in Shanghai,P.R.China.Cross-lagged path analysis revealed that children's social behaviors and peer acceptance and rejection influenced each other.Moreover,there were mutual impacts between mother-child relationship and child aggression.It was also found that children's socially competent and aggressive behavior were highly stable and that mother-child relationship was moderately stable between the ages of 8 to 10 years.The stability of peer acceptance and rejection was mainly maintained by social behaviors.

Key words: mother-child relationship, social behavior, peer acceptance