“…Some studies have reported on the efficacy of preservice/in-service training of medical, paramedical, professional personnel, and laypeople (Garcia-Barbero & Caturla-Such, 1999;Fossel, Kiskaddon, & Sternbach, 1983), the effectiveness of different forms of CPR training (Adelborg, Dalgas, Grove, Jorgensen, Al-Mashhadi, & Lofgren, 2011;Brennan & Maslow, 2000;Chamberlain et al, 2002;de Vries & Bierens, 2010;Faddy, 2002;Isbye, Rasmussen, Lippert, Rudolph, & Ringsted, 2006;Lynch, Einspruch, Nichol, & Aufderheide, 2008;Lynch et al, 2005;Niles et al, 2009;Reder & Quan, 2003;Todd et al, 1998), and levels of retention after training (Chamberlain et al, 2002;De Vries & Bierens, 2010;Niles et al, 2009;Weaver, Ramirez, Dorfma, & Raizner, 1979). Other studies have explored the physiological demands of performing CPR and the effect of fatigue (Claesson, Karlsson, Thoren, & Herlitz, 2011;Odegaard, Saether, Steen, & Wik, 2006;Reilly, Wooler, &Tipton, 2006).…”