“…An additional scoping review (2%) was performed by Hand et al (2011). A total of 15 articles (36%) described single-subject or case designs that used 2 or fewer participants (Beckelhimer et al, 2011;Carver, 2009;Ciro et al, 2013;Earley et al, 2010;Hardy et al, 2010;Henshaw et al, 2011;Hermann et al, 2010;Jack & Estes, 2010;Preissner, 2010;Rowe et al, 2009;Skubik-Peplaski et al, 2012;Sledziewski et al, 2012;Stapanian et al, 2010;Wu et al, 2011;Zlotnik et al, 2009). See Table 3 for additional information regarding participant numbers for the studies reviewed.…”