Six experiments were conducted with graduate students to assess resurgence of compound (i.e., multi-step) academic responding under free operant procedures. Participants learned two different interobserver agreement (IOA) methods -- compound behaviors -- through instructional phases before beginning the experimental phases. Each experiment…

Non-verbal children with autism are candidates for augmentative and alternative communication (AAC). One type of AAC device is a voice output communication aid (VOCA). The primary drawbacks of past VOCAs were their expense and portability. Newer iPod-based VOCAs alleviate these concerns. This dissertation sought to extend the iPod-based VOCA…