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Evaluating Acquisition, Preference and Discrimination in Requesting Skills between Picture Exchange and iPad®-Based Speech Generating Device across Preschoolers
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Yong, Yvonne H. L.; Dutt, Anuradha S.; Chen, Mo; Yeong, Adeline M. – Child Language Teaching and Therapy, 2021
This study compared a picture exchange (PE) system and an iPad®-based speech generating device (SGD) when teaching requesting skills to preschoolers with developmental disabilities and limited functional speech. A multiple baseline design with counterbalancing the order of two instruction conditions across participants was applied to compare the…
Descriptors: Augmentative and Alternative Communication, Preschool Children, Developmental Disabilities, Delayed Speech