Introduction and purpose: The present study was conducted with the aim of designing and determining the effectiveness of the moral psychology model on moral reasoning, moral judgment and moral emotions among bullied students in the second year of high school in Tabriz.
Methodology: The current semi-experimental research is of pre-test, post-test type with a control group. The statistical population included all middle school students in Tabriz city and the statistical sample was based on cluster sampling method and included two middle school boys' schools. In order to identify aggressive students, first, the aggression questionnaire was filled by all students in the sample. Then 100 aggressive students were selected and placed in two intervention and control groups of 50 people. To do the intervention, a pre-test was done first. Then, the students of the intervention group were treated with the design of the moral psychology model in coordination with the school principals, and after 8 sessions of the training course for the intervention group, the questionnaires were filled again by the two groups.
Findings: Based on the observed findings, the moral psychology model increased the scores of moral reasoning (P=0.001 and F=38.969), moral judgment (P=0.001 and F=147.247) and moral emotions (0.001). =P and F=172.934) among bully students in the group was intervened.
Conclusion: The results of this research can provide psychologists with a model in the field of moral psychology counseling.