“…많이 집중된 편이기 때문에 (Balandin & Iacono, 1999;Beukelman et al, 1989;Kim et al, 2003;Kim & Han, 2016;Lee et al, 2005;Marvin et al, 1994;Oh, Nam, & Kim, 2014;Park & Kim, 2015;Shin, 2017;Shin & Park, 2020;Song, Song, & Park, 2015 (Banajee et al, 2003;Balandin & Iacono, 1999;Beukelman et al, 1989;Boenisch & Soto, 2015;Clendon & Erickson, 2008;Deckers, Van Zaalen, Van Balkom, & Verhoeven, 2017;Laubscher & Light, 2020;Liu & Sloane, 2006;Robillard, Mayer-Crittenden, Minor-Corriveau, & Belanger, 2014;Shin Daeun Park, et al • Vocabulary for Personal Assistance Service & Hilll, 2016;Shin, Park, & Hill, 2021;Snodgrass, Stoner, & Angell, 2013;Stuart, Beukelman, & King, 1997;Trembath et al, 2007;Wood, Appleget, & Hart, 2016). 본 연구에서는 특히 부수어휘의 대부분을 차지하면서 (Marvin et al, 1994;Robillard et al, 2014;Shin et al, 2021), 지시적 기능을 지는 명사 (Croft, 2000) (Balandin & Iacono, 1998;Marvin et al, 1994;Shin & Hilll, 2016;Shin et al, 2021;Trembath et al, 2007)…”