“…In addition, research has studied the competencies and skills that teachers should have in order to be qualified to teach students who use AAC, including knowledge of needs, characteristics and challenges of the students, knowledge of assessments, knowledge of implementation of AAC, collaboration, and parent involvement (Alquraini, 2014;Andrews, 2007;Bailey et al, 2006;Costigan and Light, 2010;Hanline et al, 2012;Koul and Lloyd, 1994;Nigam and Koul, 2009;and Soto, 1997;Soto et al, 2001a). However, no consensus has been reached on what special education teachers need to be ready to teach these students (Courtade and Ludlow, 2008).…”