Abstract
Anecdotal reports suggest that individuals with developmental disabilities who lack speech may be enabled to communicate through the use of a new iPod-based communication device. However, there appear to be limited empirical data demonstrating successful use of this new device by such individuals. This study was designed to provide empirical evidence on acquisition and functional use of an iPod-based communication device. Three individuals with developmental disabilities participated in baseline, acquisition-training, post-training, and follow-up phases that were staggered in a multiple-probe across participants design. Acquisition-training focused on teaching participants to request snacks, or snacks and toys, by selecting graphic symbols on an iPod Touch® with Proloquo2Go™ software. Graduated guidance, time delay, and differential reinforcement procedures were successful in teaching functional use of the iPod-based system to two of the three participants. These preliminary results support the use of this new iPod-based communication system for some individuals with developmental disabilities.
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