Abstract: A modified Chinese version of Olweus Bully/victim Questionnaire was employed in a sample of 6,471 pupils from primary and junior middle schools in the urban and rural areas of Shandong Province of China.The results indicated:(1)Direct verbal bullying has the highest rate of occurrence among children of primary schools and junior middle schools,followed by direct physical bullying,with the ratio of children experiencing indirect bullying being the lowest.(2)Boys experienced a significant higher percentage of direct physical bullying than girls.No significant gender difference was found in the ratios of direct verbal bullying.(3)In the period of primary school,significant age differences existed in the ratios of children experiencing the three types of bullying,with children in grade three experiencing a higher ratio of direct physical bullying than those from grade four and five.On the whole,the ratio of children experiencing verbal bullying decreases with age,and the ratio of children experiencing indirect bullying dropped significantly in grade five.In the junior middle school period,the ratios of the three types of bullying remained relatively stable across the three grades.(4)Most bullies were of the same age with or older than the victims.Bullying was performed by,in most cases,more than one child in junior middle school period.

Key words: bullying behavior, types, correlates