psychology - relationships

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what is sexual selection
an evolutionary explanation of partner preference. attributes or behaviours that increases reproductive success are passed on and many become exagerated over succeeding generations
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what is anisogamy
refers to the difference between male and female sex cells
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characteristics od a male gamete
extremily small // highly mobile // created continuously in vast numbers // produced from puberty to old age // do not require great expenditure or energy
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characteristics of a female gamete
relatively large // static // produced in intervals for a limited number of fertile years // requires huge investment of energy
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what is inter-sexual selection
prefered strategy for a female - quality over quantity.
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why do women prefer the inter-sexual selection strategy
ova are rarer than sperm and require greater energy to produce. also females invest more time and commitment to offspring. so females pick genetically fit partners
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what is intra-sexual selection
the prefered strategy for males - quantity over quality
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what do males prefer the intra-sexual selection strategy
there is a competition between males to be able to mate with females as the winner gets to pass on his genetics.
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what are the consequences of intra-sexual selection
males may be more aggressive or think a certain way in order to reproduce more
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evaluation of sexual selection
uni campus - males went up to famales and asked if they wanted to have sex. no females said yes , 75% of males said yes // ignores social and cultural influences which change faster than evolution e.g. more women working
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what is self disclosure
revealing personal information about yourself. romantic partners reveal more about their true selves as their relationship develops. these self disclosures strengthen the romantic bond when used appropriately
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what is the social penetration theory
Altman and Taylor's theory of the gradual process of revealing your inner self to someone else. in romantic relationships it is reciprocal, as they disclose more romantic partner penetrate deeper into each others lives
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what does breadth and depth of disclosure mean
onion's layers- the info we reveal at the start of a relationship is artificial (breadth is low because we don't want to threaten the relationship) / as the relationship goes on selfdisclosure is deeper removing more layers making it more intimate
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evaluation of self disclosure
research support - diary entries found perceived self disclosure linked to higher levels of intimacy and reverse was true // cultural differences - individualistic cultures self disclose more sexual feeling than collectivist cultures
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what is physical attractiveness
refers to how appealing we find a person's face. it is important at the start of the relationship and at the end
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what is the matching hypothesis
the belief that we do not select the most attractive person as a prospective partner but instead are attracted to people who approximately match us in physical attractiveness. meaning we take into account our own attractiveness
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what is the halo effect
refers to how one feature can have a disproportionante influence on our judgement of a person-- physically attractive people are consistently rated as kind strong and sociable compared to unattractive people
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Card 2

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what is anisogamy

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refers to the difference between male and female sex cells

Card 3

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characteristics od a male gamete

Back

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Card 4

Front

characteristics of a female gamete

Back

Preview of the front of card 4

Card 5

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what is inter-sexual selection

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