“…Finally, the current study is consistent with the cumulative evidence about the negative effect of intelligence on religiosity (e.g., Bertsch & Pesta, 2009;Kanazawa, 2010;Lynn et al, 2009;Nyborg, 2009;Reeve, 2009;Reeve & Basalik, 2011), and with the views that intelligence, because of its association with rationalism, skepticism, and feeling of control over nature, leads to secularism (e.g., Frazer, 1922;Inglehart & Welzel, 2005;Kuhlen & Arnold, 1944). The main contribution of the current study is that it examines the relationship between intelligence and religiosity within families and over time.…”