Research Topics
| A F BogaertSummaryAffiliation: Brock University Country: Canada Publications
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Detail Information
Publications
How many gay men owe their sexual orientation to fraternal birth order?James M Cantor
Centre for Addiction and Mental Health, Toronto, Ontario, Canada
Arch Sex Behav 31:63-71. 2002..5 older brothers. Implications are suggested for the gay sib-pair linkage method of identifying genetic loci for homosexuality...- Age at puberty and father absence in a national probability sampleAnthony F Bogaert
Department of Community Health Sciences, Brock University, St Catharines, Canada, L2S 3A1
J Adolesc 28:541-6. 2005..The results extend previous research and suggest that certain psychosocial factors (i.e., father absence) may affect growth and development in both adolescent girls and boys... - Interaction of fraternal birth order and handedness in the development of male homosexualityRay Blanchard
Law and Mental Health Program, Centre for Addiction and Mental Health, Toronto, ON, Canada
Horm Behav 49:405-14. 2006.... - Gender role/identity and sibling sex ratio in homosexual menAnthony F Bogaert
Department of Community Health Sciences, Brock University, St Catharines, Canada
J Sex Marital Ther 31:217-27. 2005.... - Interaction of older brothers and sex-typing in the prediction of sexual orientation in menAnthony F Bogaert
Department of Community Health Sciences, Brock University, St Catharines, Ontario, Canada L2S 3A1
Arch Sex Behav 32:129-34. 2003..No significant Older Brother x Sex-Typing interaction effect was observed. These results join other recent evidence that postnatal (e.g., learning/environmental) mechanisms probably do not underlie the older brother effect in men... - The interaction of fraternal birth order and body size in male sexual orientationAnthony F Bogaert
Department of Community Health Sciences, Brock University, St Catharines, Ontario, Canada
Behav Neurosci 117:381-4. 2003..The results suggest that the mechanism underlying the fraternal birth order phenomenon has an effect on physical development that lasts and is detectable into adulthood (i.e., adult stature)... - Number of older brothers and sexual orientation: new tests and the attraction/behavior distinction in two national probability samplesAnthony F Bogaert
Department of Community Health Sciences, Brock University, St Catharines, Ontario, Canada
J Pers Soc Psychol 84:644-52. 2003..No sibling characteristics predicted sexual orientation in women. Results suggest experience-based theories (e.g., early same-sex play) of the fraternal birth order effect in men are unlikely to be correct... - Sexual orientation and height, weight, and age of puberty: new tests from a British national probability sampleAnthony F Bogaert
Department of Community Health Sciences, Department of Psychology, Brock University, St Catharines, Canada L2S 3A1
Biol Psychol 59:135-45. 2002..1 cm). The results challenge some prior research on sexual orientation and physical development using non-representative samples... - Age of puberty and sexual orientation in a national probability sampleAnthony F Bogaert
Department of Community Health Sciences, Brock University, St Catharines, Ontario, Canada L2S 3A1
Arch Sex Behav 31:73-81. 2002.... - Personality, individual differences, and preferences for the sexual mediaA F Bogaert
Brock University, St Catharines, Ontario, Canada L2S 3A1
Arch Sex Behav 30:29-53. 2001..g., "erotic" or violent). Results are discussed in relation to recent research and psychological theories that view adults as active in choosing their own social environments... - Handedness, criminality, and sexual offendingA F Bogaert
Community Health Sciences, Brock University, L2S 3A1, St Catharines, Canada
Neuropsychologia 39:465-9. 2001..Finally, as a cautionary note, it is stressed that the effects are small and that NRH should not be used as a marker of criminality... - The relation between sexual orientation and penile sizeA F Bogaert
Brock University, St Catharines, Canada
Arch Sex Behav 28:213-21. 1999.... - Birth order and sibling sex ratio in homosexual and heterosexual non-white menA F Bogaert
Department of Psychology, Brock University, St Catharines, Canada
Arch Sex Behav 27:467-73. 1998..Non-White homosexual men also had an elevated sibling sex ratio. Results add to the generalizability of the birth order and sibling sex ratio effects previously observed to occur in (White) homosexual men... - Birth order and sexual orientation in womenA F Bogaert
Brock University, St Catherines, Ontario, Canada
Behav Neurosci 111:1395-7. 1997..No significant birth order effect was observed. Results support theories of gender-specific mechanisms in the development of sexual orientation in women and men... - Additive effects of older brothers and homosexual brothers in the prediction of marriage and cohabitationR Blanchard
Clarke Institute of Psychiatry, Toronto, Ontario, Canada
Behav Genet 27:45-54. 1997.... - Fraternal birth order and sexual orientation in pedophilesR Blanchard
Centre for Addiction and Mental Health, Toronto, Ontario, Canada
Arch Sex Behav 29:463-78. 2000..An alternative explanation in terms of canalization of development is suggested... - Birth order and sexual orientation in men: evidence for two independent interactionsAnthony F Bogaert
Department of Community Health Sciences, Brock University, St Catharines, Canada
J Biosoc Sci 38:811-9. 2006..If these findings prove reliable, it raises the possibility that different aetiological factors underlie the birth order/sexual orientation relationship in men... 
Biological versus nonbiological older brothers and men's sexual orientationAnthony F Bogaert
Department of Community Health Sciences, Brock University, St Catharines, ON, Canada
Proc Natl Acad Sci U S A 103:10771-4. 2006..These results strongly suggest a prenatal origin to the fraternal birth-order effect...- Extreme right-handedness, older brothers, and sexual orientation in menAnthony F Bogaert
Department of Community Health Sciences, Brock University, St Catharines, Ontario, Canada
Neuropsychology 21:141-8. 2007..The results have implications for an early neurodevelopmental origin to sexual orientation in men... - Menarche and father absence in a national probability sampleAnthony F Bogaert
Brock University, St Catharines, Canada
J Biosoc Sci 40:623-36. 2008..The results confirm that certain psychosocial factors (i.e. father absence; presence of siblings) may affect the timing of sexual maturation in adolescent girls... - Interaction of birth order, handedness, and sexual orientation in the Kinsey interview dataAnthony F Bogaert
Department of Community Health Sciences, Brock University, St Catharines, ON, Canada
Behav Neurosci 121:845-53. 2007..These results also suggest that biological explanations of men's sexual orientation are likely relevant across time, as the Kinsey data comprise an older cohort relative to modern samples... - Sibling sex ratio and sexual orientation in men and women: new tests in two national probability samplesAnthony F Bogaert
Departments of Community Health Sciences and Department of Psychology, Brock University, St Catharines, Ontario, Canada
Arch Sex Behav 34:111-6. 2005..These results also suggest that research should concentrate on finding the cause(s) of the fraternal birth order effect, the consistent finding that homosexual men have an elevated number of older brothers... - Asexuality: prevalence and associated factors in a national probability sampleAnthony F Bogaert
Department of Community Health Sciences, Department of Psychology, Brock University, St Catharines, Canada
J Sex Res 41:279-87. 2004..Asexual women also had a later onset of menarche relative to sexual women. The results suggest that a number of pathways, both biological and psychosocial, contribute to the development of asexuality... - The prevalence of male homosexuality: the effect of fraternal birth order and variations in family sizeAnthony F Bogaert
Department of Community Health Sciences, Brock University, St Catharines, Canada L2S 3A1
J Theor Biol 230:33-7. 2004..Thus, even if accurately measured in one country at one time, the rate of male homosexuality is subject to change and is not generalizable over time or across societies... - Proportion of homosexual men who owe their sexual orientation to fraternal birth order: An estimate based on two national probability samplesRay Blanchard
Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
Am J Hum Biol 16:151-7. 2004.... - The interaction of birth order and parental age on sexual orientation: an examination in two samplesAnthony F Bogaert
Department of Community Health Sciences, Brock University, St Catharines, Canalda L2S 3A1
J Biosoc Sci 36:19-37. 2004..No significant effects were observed for women. The results are discussed in relation to recent theories of the birth order/sexual orientation relationship... 
On the association between sexual attraction and adolescent risk behavior involvement: Examining mediation and moderationMichael A Busseri
Department of Psychology, Brock University, St Catharines, Ontario L2S3A1, Canada
Dev Psychol 44:69-80. 2008..Mediation results were consistent across participant age and sex. Implications, limitations, and directions for future research are discussed...