References
Bearman, P. S., & Brückner, H. (2002). Opposite-sex twins and adolescent same-sex attraction. American Journal of Sociology, 107, 1179–1205. doi:10.1086/341906.
Blanchard, R. (2017). Fraternal birth order, family size, and male homosexuality: Meta-analysis of studies spanning 25 years. Archives of Sexual Behavior. doi:10.1007/s10508-017-1007-4.
Blanchard, R., & Bogaert, A. F. (1996). Homosexuality in men and number of older brothers. American Journal of Psychiatry, 153, 27–31.
Blanchard, R., & VanderLaan, D. P. (2015). Commentary on Kishida and Rahman (2015), including a meta-analysis of relevant studies on fraternal birth order and sexual orientation in men. Archives of Sexual Behavior, 44, 1503–1509. doi:10.1007/s10508-015-0555-8.
Bogaert, A. F. (2005). Sibling sex ratio and sexual orientation in men and women: New tests in two national probability samples. Archives of Sexual Behavior, 34, 111–116. doi:10.1007/s10508-005-1005-9.
Bogaert, A. F. (2010). Physical development and sexual orientation in men and women: An analysis of NATSAL-2000. Archives of Sexual Behavior, 39, 110–116. doi:10.1007/s10508-008-9398-x.
Francis, A. M. (2008). Family and sexual orientation: The family-demographic correlates of homosexuality in men and women. Journal of Sex Research, 45, 371–377. doi:10.1080/00224490802398357.
Frisch, M., & Hviid, A. (2006). Childhood family correlates of heterosexual and homosexual marriages: A national cohort study of two million Danes. Archives of Sexual Behavior, 35, 533–547. doi:10.1007/s10508-006-9062-2.
Lombardi, C. M., & Hurlbert, S. H. (2009). Misprescription and misuse of one-tailed tests. Austral Ecology, 34, 447–468.
Poasa, K. H., Blanchard, R., & Zucker, K. J. (2004). Birth order in transgendered males from Polynesia: A quantitative study of Samoan fa’afafine. Journal of Sex and Marital Therapy, 30, 13–23. doi:10.1080/00926230490247110.
Purcell, D. W., Blanchard, R., & Zucker, K. J. (2000). Birth order in a contemporary sample of gay men. Archives of Sexual Behavior, 29, 349–356.
Simmons, J. P., Nelson, L. D., & Simonsohn, U. (2011). False-positive psychology. Psychological Science, 22, 1359–1366. doi:10.1177/0956797611417632.
Simonsohn, U., Nelson, L. D., & Simmons, J. P. (2014). p-curve and effect size. Perspectives on Psychological Science, 9, 666–681. doi:10.1177/1745691614553988.
Thornton, A., & Lee, P. (2000). Publication bias in meta-analysis. Journal of Clinical Epidemiology, 53, 207–216. doi:10.1016/S0895-4356(99)00161-4.
Zietsch, B. P., Morley, K. I., Shekar, S. N., Verweij, K. J. H., Keller, M. C., Macgregor, S., … Martin, N. G. (2008). Genetic factors predisposing to homosexuality may increase mating success in heterosexuals. Evolution and Human Behavior, 29, 424–433.
Zietsch, B. P., Verweij, K. J. H., Heath, A. C., Madden, P. A. F., Martin, N. G., Nelson, E. C., … Lynskey, M. T. (2012). Do shared etiological factors contribute to the relationship between sexual orientation and depression? Psychological Medicine, 42, 521–532. doi:10.1017/s0033291711001577.
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Thanks to Fiona Barlow and Kana Imuta for helpful comments on an earlier draft. Funding was provided by Australian Research Council (Grant No. FT160100298).
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Zietsch, B.P. Reasons for Caution About the Fraternal Birth Order Effect. Arch Sex Behav 47, 47–48 (2018). https://doi.org/10.1007/s10508-017-1086-2
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DOI: https://doi.org/10.1007/s10508-017-1086-2