aim and background: the role of behavioral inhibition and activation systems as predisposing factors in readiness for emotional and behavioral problems in adolescents has been increasingly studied in recent years. the purpose of this study was to investigate the role of these two systems in predicting the development of psychopathology in adolescents. methods and materials: the study population...

objective: this research was conducted to investigate the relationship between behavioral activation-inhibition systems and bullyingvictimization behaviors among adolescents. method: this was a correlational and cross-sectional study. two hundred and thirty school boys were selected randomly by multistage cluster sampling method, and participated in this research. this sample responded to a dem...

introduction: development. it is a lifelong condition, with symptom that appears in early childhood. these people have problem in social skills, communicating with others and expressing their feelings. these people specially have difficulties with the surrounding world and recognizing objects. one of the most effective methods in educating the autistic children is “picture exchange communicatio...