“…Table 1 briefly describes the characteristics of the empirical studies. Some studies focus on the importance of patient safety and health care quality: the studies by Aiken, Clarke, Sloane, Sochalski and Silber, 2002;Braga et al, 2012;Bezerra, Queiroz, Weber and Paranaguá, 2012;Chaboyer et al, 2010;Cho, Ketefian, Barkauskas and Smith, 2003;Dempsey, 2009;Hugonnet, Chevrolet and Pittet, 2007;Morton, Cook, Mengersen and Waterhouse, 2010;Needleman and Buerhaus, 2003;Stone et al, 2007;and Wegner and Pedro, 2012. Other studies address the importance of empowerment at the workplace: the studies by Armstrong and Laschinger, 2006;Carvalho, 2004;Fazenda, 2005;Gilbert, Laschinger and Leiter, 2010;Knol and van Linge, 2009;Laschinger, Finegan, Shamian and Wilk, 2001;Quinn and Spreitzer, 1997;Sommer, Nunes, Hipólito, Brites, Pires and Pires, 2010;Spreitzer, 2008;Spreitzer, 1996;Stewart et al, 2010;and Wagner, Cummings, Smith, Olson, Anderson and Warren., 2010.…”