 Many studies in cross-cultural psychology reveal apparent socio-cultural variation in FP and FP-related abilities (e.g., Avis &amp; Harris 1991; Vinden 1996, 1999, 2002; Naito &amp; Koyama 2006; Liu et al. 2008). These empirical results suggest there may be important differences between the forms of FP used in different cultures (Mills 2001). Assessing a body of cross-cultural data relating to FB tests, Mayer and Träuble (2013) reach the cautious conclusion that