Why do people become gay (or straight)? genetic factors prenatal factors brain factors hormonal imbalance people are born sexual, not heterosexual or homosexual + or – reinforcements (rewards or punishments) in early learning experiences result in predominant homosexuality or predominant heterosexuality includes biological factors and environmental experiences
designed to explain sexual orientation rather than homosexuality
Reiss’ explanation of cross-cultural differences 1. societies that have high maternal & low father involvement w/infants, and that have rigid gender roles, have the highest incidence of male homosexuality 2. in less gender rigid societies with more permissiveness about sexuality, individuals feel freer to experiment w/same gender behavior & may find it satisfying So, which theory is right? In summary, we do not know what causes sexual orientation. Unlike gender identity which is determined in childhood, sexual identity (and orientation) continues to evolve into adulthood for some people. There is probably not a single cause of homosexuality (or heterosexuality), but rather many causes. Why isn’t everyone bisexual? Multicultural Differences
Less tolerance of homosexuality among non-white Americans than white Americans
lowest level of tolerance in African American community
Black & Latino men more likely than White men to engage extensively in homosexual behavior while still considering themselves heterosexual (“down low”)
Mexican American men engaging in anal intercourse are more likely than White men to exclusively adopt either the role of inserting partner or receptive partner
Bisexuality A bisexual is a person whose sexual orientation is toward members of the same gender as well as members of the other gender. bisexuality is more common than exclusive homosexuality bisexuality is viewed with suspicion and hostility by many in the gay community
monogamy is an issue for bisexuals
bisexual men and women usually begin to think of themselves as bisexual in their early to mid-twenties women usually have heterosexual attractions and experiences before homosexual ones
Importance of late occurring experiences in shaping one’s sexual behavior and identity
unlike gender identity, which seems to be fixed in preschool years, sexual identity seems to evolve in adulthood for some people (especially women)
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