Frisch & Hviid and reparative drive theory revisited

Commenter Evan recently posted a link to a informative powerpoint produced by colleague Morten Frisch regarding his study of social and family factors associated with homosexual and heterosexual marriage in Denmark. Morten is no stranger to this blog as he commented at length regarding the Cameron’s biased attempt to estimate homosexual lifespans. I reviewed this study for a Washington Times article (the WT link is disabled but it is here)and believe it is a significant contribution to the literature regarding causal factors associated with sexual orientation.
I would like to look at the significant findings in Frisch’s study in relationship to predictions made by reparative drive theory. According to the powerpoint, the purpose for the study was

To use a unique national set of demographic data free of selection bias to
-identify possible childhood family correlates of adult sexual orientation and partner choices
-evaluate the fraternal birth order (FBO) hypothesis (Blanchard) for male homosexuality

Regarding the latter purpose, the study found no evidence to support the FBO. What I want to do now is reproduce a few of the slides in light of predictions from reparative theory. Reparative theory proposes that disruption in the same-sex parent relationship in the crucial years of gender identity formation is responsible for homosexuality as a “gender identity problem” (Joe Nicolosi used to call homosexuality a gender identity disorder). His newer iteration of the theory refers to male homosexual “enactment” as deriving from feeling cut off from authentic masculinity. This deficit is located in a failure of the boy to successfully disidentify with mother and identify and bond with father between 18 and 36 months of age. Rejection from male peers builds on the bonding failure resulting in an eventual experience of same-sex attractions in a false and futile effort to return to masculinity. He has less to say about female homosexuality and most reparative therapists say that just about anything can lead to lesbianism as long as it is traumatic in some way or a deficit of upbringing.
Based on these premises, we would expect research on large groups of homosexuals to show an increase in problems during those crucial periods of early childhood. Further, we would expect the differences between groups to be large since reparative therapists say that the environmental experiences are necessary causes of same-sex attraction. With this in mind, let’s look at the Frisch results.
Birth place and marriage
frischurban
On all of these tables, one (1) is the baseline and deviation from one is considered to be an increase or decrease in likelihood of homosexual partnership. In this case, the likelihood of same-sex partner choice goes up with the urbanicity of birth place. It is hard to know what this means. One might suppose that attitudes toward same-sex marriage are more liberal in the urban area if one assumes people are married where they are born. In a smaller country like Denmark, it seems that gay people in the rural areas might just move to the city where attitudes are more accepting. Perhaps, the social attitudes in the area where one grows up plays a role as well.
Parental characteristics
frischtwo
First note that none of the variables here are significant for women and only one is for men – mother’s age. There is a slight increase in odds of homosexual marriage for men if one’s mother was over 35 at birth. I do not see any clear theoretical connection for this finding. However, apropos to this post, note that awareness of the identity of one’s father has no significant impact on marital direction. A reparative paradigm would expect disruptions or ambiguity of paternal identification to lead to an increase in homosexual partnering.
Parental vital status and marriage characteristics
frischvitals
Reparative theory would predict disruptions in the same-sex parent bond in early childhood. As indicated by parental death, Frisch does not find the predicted disruptions. First of all, such circumstances for men or women are infrequent (only 22 cases each of paternal death before age 11) and second, there is no relationship to partnering in males. In females, the relationship to partnering is not in the early childhood years but during adolescence. As with all of these differences, the effect size is quite small so the variable does not account for much variation between gay and straight partnering.
Regarding parental marriages, I am a bit unclear how this finding relates to reparative drive theory. I initially wrote that there is a very small effect of short parental marriages for both men and women. However, I asked Morten to read this summary prior to publication and he took some exception to this point. He wrote,

Actually, there is a 36% higher likelihood of same-sex marriage among boys whose parents’ marriage lasted less than 6 years compared with boys whose parents’ marriage remained intact until age 18 years, and the corresponding estimate was 26% higher same-sex marriage rates among girls whose parents’ marriage lasted less than 6 years compared with girls whose parents’ marriage remained intact until age 18 years. Our data on duration of parental marriage duration and, for boys, duration of father-absent cohabitation with mother obviously don’t prove anything in relation to the reparative theory, but they are not in conflict with it.

On the other hand, effect sizes calculated in the way I am used to seeing finds a trivial amount of variance.
The only marriage duration that related to homosexual marriage was the “less than 6 years” category.” It would be tempting to see this as meaning that the children were all under 6. However, in Denmark, it is not uncommon for couples to cohabitate, have a child and then get married. In other words, we cannot assume the ages of the children involved based on duration of marriage.
In any event, this finding, even if of some substance, would neither confirm nor disconfirm the specifics of reparative drive theory – especially in light of the data which do not find a push toward homosexual partnering among males who experienced father absence due to death or unknown identity.
Parental cohabitation
frischcohab
This slide depicts data which seems more promising for a reparative theorist in that father absent cohabitation shows a slight relationship to partnering for males. However, if I was a reparative drive theorist, I would be disappointed. First, the number of gay males who experienced this factor is relatively small (80 of father absent cohabitation of between 6-17.5 years). Most partnered gays did not experience this event. Second, the effect is very small. If same-sex parent disruption was a necessary condition, might expect more dramatic results with application to both sexes.
I find myself in the unusual position of qualifying Morten’s conclusions. I think there is a need to qualify the factors by the non-significant results found. For instance, Morten lists father absence as a factor related to gay marriage. However, I would note that paternal absence via death was unrelated to outcome as was lack of knowledge of father’s identity.
On balance, I do not think Frisch and Hviid’s massive study of marriage choice provides significant support for reparative drive theory. If anything, the predicted findings are mixed.
If parental bonding and was massively and necessarily related to homosexual outcomes, it seems that some large study would find greater differences on the relevant dimensions. However, neither the recent Francis study nor the Wilson and Widom study of abuse and neglect demonstrate the expected results. While Frisch and Hviid report some impact of marital disruption, it is unclear what is the potent element of those events.

Research note: Gay and straight men assess parental qualities

I am re-examining (in some cases examining for the first time) older studies of parenting and adult sexual orientation. This post will look at a paper from 1983 – Sipova, I., & Brzek, A. (1983). Parental and Interpersonal Relationships of Transexual and Masculine and Feminine Homosexual Men. Journal of Homosexuality, 9, 75-85.
This Czechoslovakian study claims to find differences between assessments of parents by gay, straight and MtF transsexuals. However, the actual data do not support the discussion from the authors who clearly wanted to find the traditional triad. A look at the data reveals few statistical differences. The authors reported absolute values in the direction they expected but analysis finds only a few differences and those were not supportive of their discussion.
This study is interesting in that the authors divided the homosexual group (from a clinical population) into effeminate and non-effeminate males. Self-assessments of dominance differed with gay males viewing themselves as less dominant than straight males. However, assessments of paternal dominance were not different by sexual orientation of respondent. In other words, these men did not differ in how assertive and strong they perceived their fathers to be. Relevant to the reparative drive model, the non-effeminate group of gay males did not differ from the straight group on how loving they perceived their fathers as being. However, the effeminate gay male group did differ from the straight males and non-effeminate gay males on perception of paternal love. This finding supports the idea that gender nonconformity may evoke paternal rejection rather than paternal rejection being causally related in a comprehensive way to homosexual attraction.
Now here is an interesting finding: Non-effeminate gay males differed from both the effeminate gay males and the straight males on assessments of maternal love. Straight and effeminate gay males were no different on this dimension — both saw their mothers as quite loving while the non-effeminate gay males saw them as loving but significantly less so than the other two groups. All groups saw mothers as equally dominant and all saw their mothers as less dominant than the fathers. While some differences associated with the groups, the study does not support the “classic triadic model” of a distant/hostile father and overbearing/protective mother associated with male homosexuality. It is striking how similar the assessments were.

Early childhood stress is associated with elevated herpes antibodies

Reading in the area of early childhood stress brought me to this article from the Proceedings of the National Academy of Science:

It is well known that children need solicitous parenting and a nurturing rearing environment to ensure their normal behavioral development. Early adversity often negatively impacts emotional and mental well-being, but it is less clearly established how much the maturation and regulation of physiological systems is also compromised. The following research investigated the effect of 2 different types of adverse childhood experiences, early deprivation through institutionalization and physical abuse, on a previously unexplored outcome: the containment of herpes simplex virus (HSV). The presence of HSV-specific antibody in salivary specimens was determined in 155 adolescents, including 41 postinstitutionalized, 34 physically-abused, and 80 demographically-similar control youth. Across 4 school and home days, HSV antibody was higher in both postinstitutionalized and physically-abused adolescents when compared with control participants. Because the prevalence of HSV infection was similar across the groups, the elevated antibody was likely indicative of viral recrudescence from latency. Total secretory Ig-A secretion was associated with HSV, but did not account for the group differences in HSV-specific antibody. These findings are likely caused by a failure of cellular immune processes to limit viral reactivation, indicating a persistent effect of early rearing on immune functioning. The fact that antibody profiles were still altered years after adoption into a more benevolent setting with supportive families suggests these results were not caused by contemporaneous factors, but rather reflect a lingering influence of earlier life experiences.

Here we have an indication that early stressors leave a mark so to speak on immune functioning. Those promoting the pathogen theory of sexual orientation might wonder if this finding provides any support. Not sure, but I doubt it, in light of the recent finding that physical abuse and neglect do not relate to adult sexual orientation. For men, but not women, sexual abuse did associate with adult sexual orientation. Abuse compromises the immune system with durable consequences. Physically abused and neglected children have compromised immune systems but are not more likely to report homosexual behavior. Seems like this would be a group more likely to demonstrate homosexuality since anything attacked by the immune system would have an easier time of it.

Prairie Voles, early stress and sexual behavior

Not going to start where the title suggests. First, I want to highlight another quote from the Carol Tavris article Mind Games. David Blakeslee noted this in a comment recently and it is an appropriate beginning for this post:

The scientific method is designed to help investigators overcome the most entrenched human cognitive habit: the confirmation bias, the tendency to notice and remember evidence that confirms our beliefs or decisions, and to ignore, dismiss, or forget evidence that is discrepant. That’s why we are all inclined to stick to a hypothesis we believe in. Science is one way of forcing us, kicking and screaming if necessary, to modify our views.

Live by the sword…
It is no secret that I believe research does not support a reparative drive formulation as a general theory for same-sex attraction. On the other hand, I need to practice what I preach about confirmation bias so I am looking for any evidence that could support the notion. As a consequence, I am reviewing the literature in the area of hormones, early brain organization, attachment and sexual behavior. A 2003 article by C. Sue Carter, using prairie voles as a model, reported the following:

Another example of the consequences of perinatal exposure to stress hormones comes from work with prairie voles; in this species, corticosterone treatment during the perinatal period altered both social and reproductive behaviors. In female prairie voles, postnatal treatment with corticosterone was associated with an increased preference for unfamiliar partners versus siblings, lower levels of alloparenting and increased masculinization of sexual behavior (indexed by mounting behavior in females). A more stressful early life, including possibly the absence of the father, also inhibited alloparenting in female prairie voles from a population captured in Illinois [92–94]. In nature, a lack of preference familiar animals or unwillingess to engage in alloparenting behavior might be associated with less tendency to remain with the natal family, further undermining communal breeding and monogamous social systems [20].

Note that stress hormones introduced around the time of birth effected adult parenting and sexual behavior, including same-sex behavior in females. This is the kind of evidence one would need to make a link between high levels of stress and later sexual behavior. There is nothing here that provides direct support for the developmental scheme of reparative drive theory. However, the notion that attachment stress might act to organize the developing brain structures involved in sexual behavior is plausible. Several lines of research suggest that hormones at critical periods may impact sexual behavior. However, what human experiences would lead to comparable hormone changes is not at all clear. We know that many people experience neglect, abuse, disappointment, etc., during early development and demonstrate no same-sex sexual interest. Individual genetics may play a role as may cognitive mediation and the individual experiences which shape self awareness.
One thing is clear. Whatever shapes sexual attraction leads to clear brain responses out of the awareness of the person. What is in awareness is most often experienced as intrinsic. As opposed to prairie voles, however, what we do is mediated by cognitive and social concerns that often are of greater importance than impulse.

Fetal Testosterone Predicts Sexually Differentiated Childhood Behavior in Girls and in Boys

This is an important study from the Psychological Science journal’s early view:

Fetal Testosterone Predicts Sexually Differentiated Childhood
Behavior in Girls and in Boys

Bonnie Auyeung, Simon Baron-Cohen, Emma Ashwin, Rebecca Knickmeyer, Kevin Taylor, Gerald Hackett, and Melissa Hines
ABSTRACT—Mammals, including humans, show sex differences in juvenile play behavior. In rodents and nonhuman primates, these behavioral sex differences result, in part, from sex differences in androgens during early development. Girls exposed to high levels of androgen prenatally, because of the genetic disorder congenital adrenal hyperplasia, show increased male-typical play, suggesting similar hormonal influences on human development, at least in females. Here, we report that fetal testosterone measured from amniotic fluid relates positively to male-typical scores on a standardized questionnaire measure of sextypical play in both boys and girls. These results show, for the first time, a link between fetal testosterone and the development of sex-typical play in children from the general population, and are the first data linking high levels of prenatal testosterone to increased male-typical play behavior in boys.

Here’s the money quote:

Thus, our data are the first documentation that androgen exposure prenatally relates to sexually differentiated play behavior in boys and in girls. In addition, the current results support an organizational, as opposed to current, activational role of testosterone, because play behavior is measured in childhood, when concurrent testosterone levels are low.

Gender non-conformity is the strongest predictor of same-sex attraction in adulthood. This study links prenatal testosterone with later gender typical behavior. The brains of children are organized in ways that react to their environment in socially typical or atypical ways. How such behavior shapes the family environment is unclear, however, it does not appear that the behavior is exclusively a response to parental bonding or modeling.