“…As a measurement of output, the comparability obtained by means of this model has some advantages, such as increased robustness in statistical analysis, lower bias of the researcher, and higher reliability in data collection. Moreover, it was widely used in recent studies on the theme (DeFranco et al, 2011;DeFond et al, 2011;Barth, Landsman, Lang & Williams, 2012;Brochet, Jagolinzer & Riedl, 2013;Lang, Maffett & Owens, 2010;Fang, Li, Xin & Zhang, 2012;Neel, 2013;Peterson, Schmardebeck & Wilks, 2012;Yip & Young, 2012;Barth et al, 2013;Sohn, 2011;Cascino & Gassen, 2012;Kim, Kraft & Ryan 2013), and this already guarantees an external validation to it.…”