“…These include: being in close proximity to the A person who uses AAC, responding 34 quickly to the user"s communicative attempts, use of "wh" and open-ended questions, modeling language and the AAC system and pausing expectantly (Basil, 1992;Binger, Kent-Walsh, Berens, Del Campo, & Rivera, 2008;Downing, 2005;Kent-Walsh & McNaughton, 2005). Although the participants did not alter their frequency or clarity of device use following the intervention, they did make use of the social-regulative vocabulary provided which may have aided the range and flexibility of their communication.…”