“…Of the 21 articles, one was a Centennial Vision article (Wolf, 2011), which was not included in this review. The remaining 20 articles (shown in Table 1) included 8 effectiveness studies (40%; Hardy et al, 2010;Hayner, Gibson, & Giles, 2010; Henshaw, Polatajko, McEwen, Ryan, & Baum, 2011; Kim & Colantonio, 2010; Maitra et al, 2010; Nilsen, Gillen, & Gordon, 2010; Page, Murray, & Hermann, 2011; Wu, Radel, & Hanna-Pladdy, 2011), 2 efficacy studies (10%; Beckelhimer, Dalton, Richter, Hermann, & Page, 2011; McCall, McEwen, Colantonio, Streiner, & Dawson, 2011), 4 studies on instrument development and testing (20%; Classen, Witter, et al, 2011; Doig, Fleming, Kuipers, & Cornwell, 2010; Lehman, Sindhu, Johnson, & Velozo, 2011; Lehman, Woodbury, & Velozo, 2011), and 6 basic science studies (30%; Classen, Levy, et al, 2011; Goverover, Chiaravalloti, & DeLuca, 2010; Hwang, Cvitanovich, Doroski, & Vajarakitipongse, 2011; Schmid et al, 2011; Wu, Hermann, Ying, & Page, 2010; Wu, Radel, & Hanna-Pladdy, 2011). …”