en P67: The Effectiveness of Pivotal Response Treatment (PRT) on Decrease of Clinical Symptoms in Children with Autism and their Parental Stress روانشناسی Psycology پژوهشي Research --- Open Access, CC-BY-NC <p align="center">لطفاً به لینک انگلیسی مراجعه شود. </p> This study was aimed at investigating the effectiveness of training of pivotal response treatment (PRT) to mothers with 6 to 12 year old autistic children on reducing the autism symptoms. Also, the impact of PRT on reduction of parenting stress was addressed in this study. In a clinical trial work, 14 mothers of autistic children in a rehabilitation clinic for autistic children in Tehran city, selected based on inclusion criteria. They were assigned to intervention and comparison groups randomly. The intervention group received treatment programs in addition of routine programs of clinic within 12 training sessions, while the control group continuing its only routine program. The autism evaluation treatment checklist (Rimland and Edelson, 2005) and parental stress questionnaire (Berry and Jones, 1995) were used for measuring autism symptoms and parenting stress, respectively. The results of covariance analysis revealed that this treatment method is effective in reducing the parental stress of mothers of autistic children (P≤0.01). Furthermore, this method resulted in an improvement in communication abilities, social interaction, cognitive-sensory ability and behavior of autistic children (P≤0.01). Pivotal Response Treatment (PRT), Parents, Autism, Parental Stress 91 91 http://shefayekhatam.ir/browse.php?a_code=A-10-24-120&slc_lang=en&sid=1 Fereshteh Javadi Fereshteh Javadi fereshteh.javadi19@yahoo.com 10031947532846002229 10031947532846002229 Yes Department of Psychology, Alborz Campus, Tehran University, Tehran, Iran. Department of Psychology, Alborz Campus, Tehran University, Tehran, Iran.