The study aimed to determine the influence of
self-concept and interpersonal relationship on anger
management among City Transport and Traffic
Management Office (CTTMO) personnel in Davao City,
Philippines. This research study used a quantitative,
descriptive, non-experimental, and correlational research.
The respondents of the study were the randomly selected
300 CTTMO personnel of Davao City in 2021. In
choosing the respondents, this study employed a random
sampling technique. The researcher utilized face to face
survey. Mean, Pearson r, and Regression were the
statistical tools employed in the study. Results showed
that the levels of self-concept, interpersonal relationship,
and anger management were all high. Findings further
revealed that both self-concept and interpersonal
relationship positively correlate with anger management,
however, only interpersonal relationship showed a
significant influence on anger management. Hence, it is
recommended that CTTMO personnel may be exposed to
further trainings on enhancing their interpersonal
relationship in order to attain a very high level of anger
management which is considered vital in disposing their
duties and responsibilities.
Keywords : criminal justice, self-concept, interpersonal relationship, anger management, city transport and traffic management office personnel, Davao city, Philippines.