The Effect of AAC Intervention on the Requesting and Class Participation of a Perlocutionary Child with Severe Cerebral Palsy

Purpose: The purpose of this study was to investigate the effects of Augmentative and Alternative Communication(AAC) intervention on the requesting and class participation of a perlocutionary child with severe cerebral palsy. Method: The participants were a girl with severe spastic cerebral palsy enrolled in a special school. Her language level was preintentional behavior level. This study was designed by the multiple probe baseline across behaviors. The target behaviors were object requesting, behavior requesting and class participation skill. For the AAC intervention, the least-to most prompt hierarchy and mid tech AAC aids were used. Results: AAC intervention was effected on the change of object requesting, behavior requesting and class participation of a perlocutionary child with severe cerebral palsy. Conclusion: This study will provide useful information about AAC intervention for perlocutionary students with severe and multiple disabilities.