Applying Theory of Planned Behavior Program on Aggressive Behaviors among Secondary School Male Students in Bangkok
Keywords:applying theory of planned behavior program, aggressive behaviors, students of secondary school, male student
Aggressive behavior is a major problem and affects the country in various aspects. The most aggressive behavioral problems were found in early adolescents and likely to increase. The purpose of this quasi-experimental study was to examine the effectiveness of applying theory of planned behavior program on aggressive behaviors among male students in secondary school in Bangkok. The participants aged 13-15 years old. They were randomly assigned into the experimental group (n=24) and the control group (n=24). The instruments employed in the study consisted of Theory of planned behavior program and instruments employed during the experiment and data collection. All instruments were verified for content validity by 3 professional experts. The reliability was reported using Cronbach’s alpha as .907. Data were analyzed using mean, standard deviation, Chi-square, Independent t-test and Repeated Measure ANOVA. Results found that in the posttest and follow-up phase, the experimental group had statistically significant higher scores of negative attitude towards aggressive behaviors, subjective norms, self-efficacy of the aggressive behaviors control and intention to commit aggressive behaviors control than in the pretest and the control group (p <.05).
The experimental group had a statistically significant lower score of aggressive behaviors in the posttest and follow-up phase than in the pretest and the control group (p<.05). In summary, applying theory of planned behavior program on aggressive behaviors among male students in secondary school in Bangkok could increase the negative attitude towards aggressive behaviors, subjective norms, self-efficacy of the control and intention to commit aggressive behaviors control score and decrease the aggressive behaviors.
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