relationships Flashcards
(80 cards)
what are the two types of sexual selection?
intrasexual and intersexual
what is intersexual selection?
- where one sex selects a mate based on desirable characteristics
- desirable characteristics signal high reproductive success and good genes for offspring to inherit
give two examples of intersexual selection
- bright feathers eg peacocks
- strong build in humans
what is intrasexual selection?
- where members of the same sex compete for access to mates
- winner gains more mating oppurtunities
give two examples of intrasexual selection
- physical fights
- displays of strength or resources
why is the 0.7 ratio suggested to be the most attractive waist to hip ratio?
- suggests fertility and good child bearing ability
- pass on genes and successfully reproduce
what are the male mating strategies?
- courtship rituals
- size
- sperm competition
- mate guarding
- sneak copulation
describe why males use courtship rituals as a mating strategy
- allows them to show of genetic potential
- allows showing of resources and ability to provide
- allows them to show generosity
describe why males use size as a mating strategy
- bigger body size shows physical strength
- shows ability to protect partner and offspring
describe why/ how males use sperm competition as a mating strategy
- bigger testicles and faster sperm
- heightens chances of sperm reaching egg and successful reproduction
describe how males use mate guarding as a mating strategy
- keeping close eye on mate
- ensures partner isnt unfaithful
- allows them to know their offspring is theirs
- ensures they dont provide for an offspring that isnt theirs
describe how males use sneak copulation as a mating strategy
- cheating on partners
- more offspring
- higher chance of passing on their genes
what are the female mating strategies?
- handicap hypothesis
- sexy sons hypothesis
- courtship
describe the handicap hypothesis as a female mating strategy
- women select partners with handicaps
- shows ability to to thrive despite adversities
- explains women who are attracted to drug addicts ect
describe the sexy sons hypothesis as a female mating strategy
- women select males that they see as attractive
- ensures offspring will be attractive
- increases offsprings chance of successful reproduction
describe courtship as a female mating strategy
- dating
- allows them to see the mans worth and ability to provide for and protect them and their offspring
what are the evolutionary explanations for partner preference?
- sexual selection
- mating strategies
describe a piece of research which supports the evolutionary explanations for partner preferences
Buss-
- survey of over 10000 adults age 16-25
- found men prefer younger, physically attractive women across 37 different cultures
- women prefer ambitious, older, more mature men
- men prefer more fertile women
- women prefer more secure partners
what is Clark and Hatfields research which supports sexual selection?
- male and female psychology students sent out on campus and asked members of the opposite gender to sleep with them
- 0% of females agreed to sleep with the man
- 75% of men agreed to sleep with the females
- women are more choosy and protective of reproductive resources
what is meant by anisogamy?
difference between reproductive materials
what are the three factors that affect attraction in romantic relationships?
- self disclosure
- physical attractiveness/matching hypothesis
- filter theory
what is meant by self disclosure in relationships?
- revealing of personal information to someone else
- creates sense of trust and specialness
what is the social penetration theory in reference to self disclosure?
- early communication moves relationships from shallow to deep
- creates more meaningful interactions and deeper bonds between individuals
what are the stages of self disclosure?
- biographical data (age,gender,ect)
- preferences (food, music, clothes)
- goals and aspirations (careers, family?)
- religious convections
- deeply held fears and fantasies
- concept of ones self