“…Researchers described some or all participants as rarely initiating to or engaging in social interaction with peers across 10 studies (Gaylord-Ross, Haring, Breen, & Pitts-Conway, 1984;Haring & Breen, 1992;Hughes, Harmer, Killian, & Niarhos, 1995;Hughes, Killian, & Fischer, 1996;Hughes et al, 2000Hughes et al, , 2002Hughes et al, , 2011Nientimp & Cole, 1992;Plienis et al, 1987;Scattone et aI., 2006) and engaging in limited eye contact across nine studies (Davis et al, 2010;Gaylord-Ross et aI., 1984;Haring & Breen, 1992;Hughes et al, 1995Hughes et al, , 1996Hughes et al, , 2000Hughes et al, , 2002Hughes et al, , 2011Plienis et al, 1987). All participants in Davis et al (2010) and Bock (2007) and one of five in Hughes et al (2011) were reported to engage in perseverative speech on topics such as weather, cartoon characters, or space travel.…”