Abstract
Objectives Children diagnosed with autism spectrum disorder (ASD) often exhibit challenges in social communication. Picture Exchange Communication System (PECS) is effective in enhancing the social skills of children with ASD, and interventions using social robots are potentially beneficial training tools. However, it is uncertain whether robots can facilitate more effective training for children with ASD compared to human therapists. Methods In the present study, we compared the effectiveness of robot-based and human-based interventions on enhancing the social communication behaviors in young children diagnosed with ASD. The feasibility and efficacy of integrating the PECS in robotic systems were evaluated using a single-case design. Eight children with ASD were randomly assigned to either a robot-based group (N = 4) or a human-based group (N = 4). Participants in the two groups underwent phases I–III of the PECS protocol facilitated by either a human therapist or a robot therapist. Changes in social communication behaviors were assessed in each child after intervention using a single-case design. Results Half of the participants in the robot-based intervention group showed significant improvement in both verbal and nonverbal communication behaviors after a two-month PECS intervention. A higher proportion of children in the robot-based intervention group showed significantly enhanced social communication skills encompassing both verbal and nonverbal behaviors than in the human-based intervention group. Conclusions This study demonstrates the effectiveness of robot-based PECS intervention in enhancing verbal and nonverbal communication behaviors in young children with ASD. These findings present novel intervention tools for early intervention educators engaged in supporting children with ASD.
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More From: International Journal of Developmental Disabilities
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