References
- Alanko, K., Santtila, P., Harlaar, N., Witting, K., Varjonen, M., Jern, P., Johansson, A., Von der Pahlen, B., & Sandnabba, N. K. (2010). Common genetic effects of gender atypical behavior in childhood and sexual orientation in adulthood: A study of Finnish twins. Archives of Sexual Behavior, 39(1), 81–92. https://doi.org/https://doi.org/10.1007/s10508-008-9457-3
- Arvey, R. D., Cole, D. A., Hazucha, J., & Hartanto, F. (1985). Statistical power of training evaluation designs. Personnel Psychology, 38(3), 493–507. https://doi.org/https://doi.org/10.1111/j.1744-6570.1985.tb00556.x
- Bailey, J. M., Vasey, P. L., Diamond, L. M., Breedlove, S. M., Vilain, E., & Epprecht, M. (2016). Sexual orientation, controversy, and science. Psychological Science in the Public Interest, 17(2), 45–101. https://doi.org/https://doi.org/10.1177/1529100616637616
- Barthes, J., Godelle, B., & Raymond, M. (2013). Human social stratification and hypergyny: Toward an understanding of male homosexual preference. Evolution and Human Behavior, 34(3), 155–163. https://doi.org/https://doi.org/10.1016/j.evolhumbehav.2013.01.001
- Blanchard, R. (2018a). Fraternal birth order, family size, and male homosexuality: Meta-analysis of studies spanning 25 years. Archives of Sexual Behavior, 47(1), 1–15. https://doi.org/https://doi.org/10.1007/s10508-017-1007-4
- Blanchard, R. (2018b). Response to commentaries: Meta-analysis of probability samples and other new evidence. Archives of Sexual Behavior, 47(1), 49–57. https://doi.org/https://doi.org/10.1007/s10508-017-1134-y
- Blanchard, R. (2019). Recent findings on fraternal birth order and homosexuality in males. Archives of Sexual Behavior, 48(7), 1899–1900. https://doi.org/https://doi.org/10.1007/s10508-019-01504-0
- Blanchard, R., Krupp, J., VanderLaan, D. P., Vasey, P. L., & Zucker, K. J. (2020). A method yielding comparable estimates of the fraternal birth order and female fecundity effects in male homosexuality. Proceedings of the Royal Society of London, Series B: Biological Sciences, 287(1923), 1–9. https://doi.org/https://doi.org/10.1098/rspb.2019.2907
- Bogaert, A. F., & Skorska, M. (2011). Sexual orientation, fraternal birth order, and the maternal immune hypothesis: A review. Frontiers in Neuroendocrinology, 32(2), 247–254. https://doi.org/https://doi.org/10.1016/j.yfrne.2011.02.004
- Bogaert, A. F., Skorska, M. N., Wang, C., Gabrie, J., MacNeil, A. J., Hoffarth, M. R., VanderLaan, D. P., Zucker, K. J., & Blanchard, R. (2018). Male homosexuality and maternal immune responsivity to the Y-linked protein NLGN4Y. Proceedings of the National Academy of Sciences, 115(2), 302–306. https://doi.org/https://doi.org/10.1073/pnas.1705895114
- Camperio Ciani, A., Corna, F., & Capiluppi, C. (2004). Evidence for maternally inherited factors favoring male homosexuality and promoting female fecundity. Proceedings of the Royal Society of London, Series B: Biological Sciences, 271(1554), 2217–2221. https://doi.org/https://doi.org/10.1098/rspb.2004.2872
- Camperio Ciani, A., & Pellizzari, E. (2012). Fecundity of paternal and maternal non-parental female relatives of homosexual and heterosexual men. PloS ONE, 7(12), e51088. https://doi.org/https://doi.org/10.1371/journal.pone.0051088
- Camperio Ciani, A. S., Fontanesi, L., Iemmola, F., Giannella, E., Ferron, C., & Lombardi, L. (2012). Factors associated with higher fecundity in female maternal relatives of homosexual men. The Journal of Sexual Medicine, 9(11), 2878–2887. https://doi.org/https://doi.org/10.1111/j.1743-6109.2012.02785.x
- Cohen, J. (1977). Statistical power analysis for the behavioral sciences (2nd ed.). Academic Press.
- Consulado General de México en Toronto. (2019). Visitors who do not require a visa, with a stay up to 180 days. https://consulmex.sre.gob.mx/toronto/index.php/en/servicesforeigners/visas?id=225
- Coome, L. A., Skorska, M. N., & VanderLaan, D. P. (2020). Direct reproduction and sexual orientation and gender diversity in Thailand. Archives of Sexual Behavior, 49(7), 2449–2460. https://doi.org/https://doi.org/10.1007/s10508-020-01830-8
- Cortina, J. M., & Nouri, H. (2000). Effect size for ANOVA designs. Sage.
- Crompton, L. (2003). Homosexuality and civilization. Belknap Press.
- Cumming, G. (2012). Understanding the new statistics: Effect sizes, confidence intervals, and meta-analysis. Routledge.
- de Jager, S., Coetzee, N., & Coetzee, V. (2018). Facial adiposity, attractiveness, and health: A review. Frontiers in Psychology, 9(2562), 1–16. https://doi.org/https://doi.org/10.3389/fpsyg.2018.02562
- Delaney, H. D., & Maxwell, S. E. (1981). On using analysis of covariance in repeated measures designs. Multivariate Behavioral Research, 16(1), 105–123. https://doi.org/https://doi.org/10.1207/s15327906mbr1601_6
- Ganna, A., Verweij, K. J., Nivard, M. G., Maier, R., Wedow, R., Busch, A. S., & Lundström, S. (2019). Large-scale GWAS reveals insights into the genetic architecture of same-sex sexual behavior. Science, 365(6456), eaat7693. https://doi.org/https://doi.org/10.1126/science.aat7693
- Gates, G. J. (2011). How many people are lesbian, gay, bisexual, and transgender? The Williams Institute. https://escholarship.org/uc/item/09h684x2
- Gómez, F. R., Semenyna, S. W., Court, L., & Vasey, P. L. (2018). Familial patterning and prevalence of male androphilia among Istmo Zapotec men and muxes. PloS ONE, 13(2), e0192683. https://doi.org/https://doi.org/10.1371/journal.pone.0192683
- Gómez Jiménez, F. R., Semenyna, S. W., & Vasey, P. L. (2020a). Offspring production among the relatives of Istmo Zapotec men and muxes. Archives of Sexual Behavior, 49(2), 581–594. https://doi.org/https://doi.org/10.1007/s10508-019-01611-y
- Gómez Jiménez, F. R., Semenyna, S. W., & Vasey, P. L. (2020b). The relationship between fraternal birth order and childhood sex‐atypical behavior among the Istmo Zapotec muxes. Developmental Psychobiology, 62(6), 792–803. https://doi.org/https://doi.org/10.1002/dev.21987
- Gómez-Gil, E., Esteva, I., Almaraz, M. C., Pasaro, E., Segovia, S., & Guillamon, A. (2010). Familiality of gender identity disorder in non-twin siblings. Archives of Sexual Behavior, 39(2), 546–552. https://doi.org/https://doi.org/10.1007/s10508-009-9524-4
- Hamer, D. H. (2002). Genetics of sexual behavior. In J. Benjamin, R. P. Ebstein, & R. H. Belmaker (Eds.), Molecular genetics and the human personality (pp. 257–272). American Psychiatric Publishing.
- Hames, R., Garfield, Z. H., & Garfield, M. J. (2017). Is male androphilia a context dependent cross-cultural universal? Archives of Sexual Behavior, 46(1), 63–71. https://doi.org/https://doi.org/10.1007/s10508-016-0855-7
- Iemmola, F., & Camperio Ciani, A. (2009). New evidence of genetic factors influencing sexual orientation in men: Female fecundity increase in the maternal line. Archives of Sexual Behavior, 38(3), 393–399. https://doi.org/https://doi.org/10.1007/s10508-008-9381-6
- Jokela, M. (2009). Physical attractiveness and reproductive success in humans: Evidence from the late 20th century United States. Evolution and Human Behavior, 30(5), 342–350. https://doi.org/https://doi.org/10.1016/j.evolhumbehav.2009.03.006
- King, M. D., Green, J., Osborn, D. P., Arkell, J., Hetherton, J., & Pereira, E. (2005). Family size in white gay and heterosexual men. Archives of Sexual Behavior, 34(1), 117–122. https://doi.org/https://doi.org/10.1007/s10508-005-1006-8
- Kinsey, A. C., Pomeroy, W. B., & Martin, C. E. (1948). Sexual behavior in the human male. W. B. Saunders.
- Lakens, D. (2013). Calculating and reporting effect sizes to facilitate cumulative science: A practical primer for t-tests and ANOVAs. Frontiers in Psychology, 4(863), 1–12. https://doi.org/https://doi.org/10.3389/fpsyg.2013.00863
- Långström, N., Rahman, Q., Calström, E., & Lichtenstein, P. (2010). Genetic and environmental effects on same sex-sexual behavior: A population study of twins in Sweden. Archives of Sexual Behavior, 39(1), 75–80. https://doi.org/https://doi.org/10.1007/s10508-008-9386-1
- Leser, H. (1961). The Hirschfeld Institute for Sexology. In A. Ellis & A. Abarnel (Eds.), Encyclopedia of sexual behavior (pp. 967–970). Hawthorn Books.
- Murdock, G. P., & White, D. R. (1969). Standard cross-cultural sample. Ethnology, 8(4), 329–369. https://doi.org/https://doi.org/10.2307/3772907
- Nila, S., Crochet, P. A., Barthes, J., Rianti, P., Juliandi, B., Suryobroto, B., & Raymond, M. (2019). Male homosexual preference: Femininity and the older brother effect in Indonesia. Evolutionary Psychology, 17(4), 147470491988070. https://doi.org/https://doi.org/10.1177/2F1474704919880701
- Pflüger, L. S., Oberzaucher, E., Katina, S., Holzleitner, I. J., & Grammer, K. (2012). Cues to fertility: Perceived attractiveness and facial shape predict reproductive success. Evolution and Human Behavior, 33(6), 708–714. https://doi.org/https://doi.org/10.1016/j.evolhumbehav.2012.05.005
- Rahman, Q., Collins, A., Morrison, M., Orrells, J. C., Cadinouche, K., Greenfield, S., & Begum, S. (2008). Maternal inheritance and familial fecundity factors in male homosexuality. Archives of Sexual Behavior, 37(6), 962–969. https://doi.org/https://doi.org/10.1007/s10508-007-9191-2
- Sanders, A. R., Martin, E. R., Beecham, G. W., Guo, S., Dawood, K., Rieger, G., Badner, J. A., Gershon, E. S., Krishnappa, R. S., Kolundzija, A. B., Duan, J., Gejman, P. V., & Bailey, J. M. (2015). Genome-wide scan demonstrates significant linkage for male sexual orientation. Psychological Medicine, 45(7), 1379–1388. https://doi.org/https://doi.org/10.1017/S0033291714002451
- Schneider, B. A., Avivi-Reich, M., & Mozuraitis, M. (2015). A cautionary note on the use of the Analysis of Covariance (ANCOVA) in classification designs with and without within-subject factors. Frontiers in Psychology, 6(474), 1–12. https://doi.org/https://doi.org/10.3389/fpsyg.2015.00474
- Schwartz, G., Kim, R. M., Kolundzija, A. B., Rieger, G., & Sanders, A. R. (2010). Biodemographic and physical correlates of sexual orientation in men. Archives of Sexual Behavior, 39(1), 93–109. https://doi.org/https://doi.org/10.1007/s10508-009-9499-1
- Semenyna, S. W., Petterson, L. J., VanderLaan, D. P., & Vasey, P. L. (2017b). A comparison of the reproductive output among the relatives of Samoan androphilic fa’afafine and gynephilic men. Archives of Sexual Behavior, 46(1), 87–93. https://doi.org/https://doi.org/10.1007/s10508-016-0765-8
- Semenyna, S. W., VanderLaan, D. P., Petterson, L. J., & Vasey, P. L. (2017a). Familial patterning and prevalence of male androphilia in Samoa. Journal of Sex Research, 54(8), 1077–1084. https://doi.org/https://doi.org/10.1080/00224499.2016.1218416
- Silva, A. S., Lummaa, V., Muller, U., Raymond, M., & Alvergne, A. (2012). Facial attractiveness and fertility in populations with low levels of modern birth control. Evolution and Human Behavior, 33(5), 491–498. https://doi.org/https://doi.org/10.1016/j.evolhumbehav.2012.01.002
- Skorska, M. N., Coome, L. A., Zahran, A., Peragine, D. E., & VanderLaan, D. P. (2020). Facial attractiveness of sisters of Thai gay men and sao praphet song. Journal of Sex Research, 58(1), 116–121. https://doi.org/https://doi.org/10.1080/00224499.2020.1742858
- Sugiyama, L. S. (2005). Physical attractiveness in adaptationist perspective. In D. M. Buss (Ed.), The handbook of evolutionary psychology (pp. 292–343). Wiley.
- Sugiyama, L. S. (2015). Physical attractiveness in adaptationist perspective. In D. M. Buss (Ed.), The handbook of evolutionary psychology (pp. 317–384). Wiley.
- Sweet, M., & Zwilling, L. (1993). The first medicalization: The taxonomy and etiology of queerness in classical Indian medicine. Journal of the History of Sexuality, 3(4), 590–697. https://www.jstor.org/stable/3704394
- Thornhill, R., & Gangestad, S. W. (1999). Facial attractiveness. Trends in Cognitive Sciences, 3(12), 452–460. https://doi.org/https://doi.org/10.1016/S1364-6613(99)01403-5
- VanderLaan, D. P., Forrester, D. L., Petterson, L. J., & Vasey, P. L. (2013). The prevalence of fa’afafine relatives among Samoan gynephilic men and fa’afafine. Archives of Sexual Behavior, 42(3), 353–359. https://doi.org/https://doi.org/10.1007/s10508-012-0015-7
- VanderLaan, D. P., & Vasey, P. L. (2011). Male sexual orientation in independent Samoa: Evidence for fraternal birth order and maternal fecundity effects. Archives of Sexual Behavior, 40(3), 495–503. https://doi.org/https://doi.org/10.1007/s10508-009-9576-5
- Vasey, P. L., Parker, J. L., & VanderLaan, D. P. (2014). Comparative reproductive output of androphilic and gynephilic males in Samoa. Archives of Sexual Behavior, 43(2), 363–367. https://doi.org/https://doi.org/10.1007/s10508-013-0195-9
- Vasey, P. L., & VanderLaan, D. P. (2007). Birth order and male androphilia in Samoan fa’afafine. Proceedings of the Royal Society B: Biological Sciences, 274(1616), 1437–1442. https://doi.org/https://doi.org/10.1098/rspb.2007.0120
- Whitam, F. L., & Mathy, R. M. (1986). Male homosexuality in four societies: Brazil, Guatemala, the Philippines, and the United States. Praeger.