Objective: The main purpose of the present study was to investigate the effectiveness of behavior therapy training to mothers of autistic children on verbal and non-verbal improvement of their children. Materials and Methods: A total of 33 mothers of autistic children were selected for training based on non-probability purposive sampling procedure. Autism Spectrum Disorder (ASD) Knowledge Scale was used to assess mothers' knowledge about autism and Vineland Adaptive Behavior Scale was used for

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... ssessment of the communication skill in autistic children. Results: This study revealed that behavior therapy training significantly improved communication skills of children with autism by training mothers. The results of paired t-test revealed that trained mothers developed improved communication skills. Conclusion: These results showed improvement in communication skills of autistic children whose mothers were trained in behavior therapy. Keywords: Behavior therapy, autism, training mothers. Continuous...