The Effectiveness of Group Training Based on the Nonviolent Communication Model on Aggression among Female Junior High School Students Involved in Parent-Child Conflicts

Document Type : Original Article

Authors

1 PhD Student Psychology, Department Psychology, University of Science and Arts, Yazd, Iran

2 Associate Professor, Department of Clinical Psychology, Yazd University of Science and Arts, Yazd, Iran

Abstract

The present study purposed to investigate the effectiveness of group training based on the nonviolent communication (NVC) model in reducing aggression among female junior high school students involved in parent-child conflicts. This research was a semi-experimental study with a pre-test-post-test design and a control group. The statistical population consisted of female junior high school students (aged 12 to 15) in Yazd city during the 2023-2024 academic year, who were identified as being involved in conflicts based on parental/counselor reports and scores on the Behavioral Problems Questionnaire-Parent Form (Achenbach, 1991). From the eligible population, 30 students were selected via convenience sampling and randomly assigned to experimental and control groups (15 each) using a random number table. The measurement tool was the Buss and Perry Aggression Questionnaire (1992). The data were analyzed using Multivariate Analysis of Covariance (MANCOVA), followed by univariate Analyses of Covariance (ANCOVA). The findings indicated that after controlling for pre-test scores, there was a significant difference between the two groups on the linear combination of aggression subscales.Subsequent univariate analyses revealed that the intervention significantly reduced all four subscales of aggression: physical aggression, verbal aggression, anger, and hostility (p < 0.001 for all). Based on effect sizes (η²), the intervention had the greatest impact on reducing anger (0.65) and the least impact on reducing hostility (0.54). In conclusion, group training based on the NVC model is an effective intervention for reducing various dimensions of aggression among female students involved in Parent-child conflicts.

Keywords

References

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Journal of New Studies in Educational Sciences
Volume 1, Issue 2 - Serial Number 2
November 2025
Pages 89-100

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