摘要：AbstractThe main objective of this research is to determine the effect of counseling by short message service (SMS) on reducing aggressive behavior in adolescence. The research method was quasi experimental with pre test-post test design and control group. A sample of 60 boys in behavior disorders Center in Tehran was selected by available sampling method. Using Aggression Questionnaire (AGQ) in pre test, Indicated that all participants were suffering from aggressive behavior Disorder, Therefore those were selected randomly divided to experimental and control groups. The experimental group received counseling and therapy program by SMS in 2 months (per day two sms). Results indicated that the post-test values have been affected by the independent variable (F=148.50, P<0.01). The results of the study are indicatives of the effectiveness of counseling by sms on the aggressive behavior of the participants.
