Junkins, Eleanor J., Joseph E. Potter, Peter J. Rentfrow, Samuel D. Gosling, Jeff Potter, K. Paige Harden, Elliot M. Tucker-Drob, Jaime Derringer, and Daniel A. Briley. “Geographic Variation in Personality Is Associated With Fertility Across the United States”. Personality Science 2 (December 16, 2021): 1-26. Accessed December 9, 2022. https://ps.psychopen.eu/index.php/ps/article/view/7275.