The Effect of a Cognitive-Behavioral Therapy Program on The Aggressive Behaviors among Delinquent Adolescents in Observation and Protection Center


  • Kanlaya Tasa Rama 9 Hospital
  • Nuchanart Bunthumporn Rama 9 Hospital
  • Chomchuen Somprasert Rama 9 Hospital


aggressive behaviors, delinquency adolescents, cognitive-behavioral therapy program


Aggression among delinquent adolescents in an observation and protection center may be caused by negative automatic thoughts, irrational thoughts, and the lack of important social skills. Helping these youths to reduce their aggression is important. This quasi-experimental research used a pretest-posttest control group design. The purpose of this study was to examine the effect of a cognitive-behavioral therapy program on the aggressive behaviors of delinquent adolescents in an observation and protection center. The samples were male adolescents in an observation and protection center, department of juvenile observation and protection in Bangkok and perimeter, aged 15-18 years. The 66 adolescents were divided into experimental and control groups, 33 adolescent in each group. The experimental group participated in the cognitive-behavioral therapy program for 6 weeks, 120 minutes on the 1st and the 6th week, and 60 minutes from the 2nd to the 5th week. The control group received the routine program of the observation and protection center. The research instruments consisted of the following: 1) personal information; 2) the cognitive-behavioral therapy program; and 3) an aggressive behavior scale. Data were analyzed using descriptive statistics and t-test.

The result found that: 1) after participating in the cognitive-behavioral therapy program, there was a significant decrease in the mean of the participants’ aggressive behavior scores (M = 32.81, SD=5.61) than before (M = 41.61, SD = 8.47) (t = 10.46, p<.001); and 2) there was a significant difference in the mean differences in the aggressive behavior scores between pretest and posttest intervention of the experimental group ( gif.latex?\bar{D}_{1} = 8.81, SD = 4.69) and control group ( gif.latex?\bar{D}_{2} = 2.27, SD = 1.07) (t = 7.80, p<.05).

The findings suggest that such a cognitive-behavioral program could be effective decreased and beneficial program for control aggressive behavior among adolescents in observation and protection centers, in the department of juvenile observation and protection.


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How to Cite

Tasa K, Bunthumporn N, Somprasert C. The Effect of a Cognitive-Behavioral Therapy Program on The Aggressive Behaviors among Delinquent Adolescents in Observation and Protection Center. J Royal Thai Army Nurses [Internet]. 2020 Dec. 29 [cited 2022 Oct. 7];21(3):262-74. Available from:



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