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  • Walster (1966)         F=Physical attraction was the most important factor in liking, the most physically attractive students were most liked by their partners, physical attractiveness was a good indicator of whether they would see each other again, ppnts were more likely to have dated their partners of they were of similar attractiveness.
    • -Volunteer sample= lacks population validity
    • -lacks temporal validity
    • +large sample size
    • -deception= pants believed they were being matched on physical attractiveness
    • -less generalisable= all ppnts are undergraduates
  • Social exchange theory
    • Profit and Loss= individuals attempt to maximise their rewards and minimise their costs
      • outcome= rewards-cost
      • Rusbult and Martz:  when investment is high and alternatives are few, a profit situation exists and the women with remain the the relationship
      • Aronson= simply making comparisons between profit and loss are not realistic. He believes that increases in reward, rather than just constant rewards are crucial.
    • Thibaut and Kelley (1959)= acknowledges that the formation of relationships is not a on-way process, but it involves an interaction between the two partners, each with their own needs an expectations
    • Comparison level: product of out experiences in other relationships together with out general views of what we might expect from this particular experience
      • Simpson found that ppnts in a relationship gave lower ratings on others attractiveness.
    • relevent to many types of relationships
    • can be used to explain individual differences
    • focus' too much on individual's perspective and ignores social aspects
    • selfish nature of theory
    • ignores an essential component of relationships- fairness in exchange


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