“…In fact, most parents of children with ASD first become concerned about their child's development because of early delays or regressions in the acquisition of verbal communication (Locke, Ishijima, Kasari, & London, 2010; Short & Schopler, 1998). Children with ASD may experience delays in the onset of verbal expressive language, and some may remain nonverbal throughout life (Prizant, Wetherby, Rubin, & Laurent, 2003; Koegel & Koegel, 2006). For those who do learn to use expressive verbal communication, many have difficulty using communication effectively to accomplish social interactive goals (Donno, Parker, Gilmour, & Skuse, 2010).…”