Parental investment theory
: Theory proposed by Robert Trivers, that predicts that the sex
making the larger investment in offspring will be more discriminating in the mating.
Women can only produce unlimited number of children the psychological mechanisms that
regulate a woman sexual behavior I thought to be more conservative than those of men
Evolutionary forces are thought to result in women having a lower sex drive, referring few were
sex partners, desiring sex within the context of committed relationships with clear paternal
investment in child I’ve been wearing, and preferred males with traits associated with ability to
Men have a greater physiological capacity to produce more offspring.
Male sexuality is less
conservative with heterosexual men expressing greater interest in casual sex, showing evidence
of a higher sex drive and preferring female partners who exhibit characteristics associated with
Psychological and behavioural traits associated with higher rates of reproduction are retained
through natural selection
Memes-representations of ideas that can be learned and transmitted through a cultural group,
such as how to hunt or prepare food, is another route for which information can be passed on to
Treat adaptiveness or its potential to maximize reproductive fitness can be judged in relation to
the environment within which it manifests.
We can judge the adaptiveness of a babies temperament only in relation to the
environment within which that temperament is expressive
We can judge adaptiveness of gender sexual psychology is such a sex drive only in the
environment in which the manifest
Social learning theory
Gender differences in sexual are the result of an observational learning.
Experiments conducted where indirect effects of observational learning examine women in men’s
endorsement of sexual stereotypes after being sexualized for non-sexual scenes from TV shows.