“…Much of the research on the use of VSDs with beginning communicators has focused on infants, toddlers, and preschoolers, both typically developing children (Drager, Light, Curran Speltz, Fallon, & Jeffries, 2003; Drager, et al, 2004; Light, et al, 2004; Olin, Reichle, Johnson, & Monn, 2010) and children with developmental disability (Light & Drager, 2009). Light and Drager (2009) have described a successful evidence-based AAC intervention including VSDs for young children with developmental disability.…”