“…Two meta-analyses of sex differences in the widely applied progressive matrices test (Raven et al, 1998) with 57 included studies (Lynn and Irwing, 2004), respectively 22 included studies (Irwing and Lynn, 2005) showed men generally outperforming women (d = 0.33 resp. d = 0.31): This sex difference was replicated in different European countries (e.g., Mackintosh and Bennett, 2005), South America (e.g., Rosseti et al, 2009), Asia and South Africa (e.g., Lynn, 2002;Lynn and Tse-Chan, 2003;Abdel-Khalek and Lynn, 2006). Nevertheless, some studies did not report significant differences between men and women in progressive matrices (e.g., Rushton and Cvorovic, 2009;Savage-McGlynn, 2012;Flores-Mendoza et al, 2013).…”