The present study examined whether there are differences in ego-identity status and social problem‐solving ability by experience in committing school violence.
The major results of this study are as follows.
First, experience in committing school violence was different by gender, and male students had more experience than female ones. However, no difference was observed by grade.
Second, ego-identity status and social problem‐solving ability were different by whether to have experience in committing school violence. Students without experience in committing school violence showed higher ego-identity status and social problem‐solving ability than those with.
Third, significant difference was observed in goal-directedness and self-acceptance among the subscales of ego-identity. Students without experience in committing school violence showed higher goal-directedness and self-acceptance than those with. However, no significant difference was observed in interpersonal role expectation and self-assertiveness.
Fourth, significant difference was observed in cognition subscale, behavior subscale, problem definition and formulation, generation of alternatives and decision making among the subscales of social problem‐solving ability by whether to have experience in committing school violence. Students without experience in committing school violence showed higher scores in cognition subscale, behavior subscale, problem definition and formulation, generation of alternatives and decision making than those with. However, no significant difference was observed in emotion subscale and solution implementation and verification.