human relationships unit: interpersonal relationships learning objective: analyze why relationships...
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Human Relationship
s Unit:Interperson
al Relationship
s Learning Objective:
Analyze why relationships may change or end
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Why relationships change or end
• Infidelity• http://www.youtube.com/watch?v=
KG3oMlDhcrw• http://www.ted.com/talks/lang/eng/
helen_fisher_tells_us_why_we_love_cheat.html
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• MHC genes are too similar• http://www.scientificamerican.com/article.cfm?id=birth-co
ntrol-pills-affect-womens-taste
• Social exchange theory (Kelley and Thibaut, 1959)• http://family.jrank.org/pages/1595/Social-Exchange-Theory
-Major-Contemporary-Concepts.html
• Based on cost-benefit analysis where cost of relationship must not outweigh the benefits
• Equity theory (Walster, 1978) social• http://www2.hawaii.edu/~elaineh/42.pdf• Equality is important in maintenance of fidelity• Individuals who feel deprived or under-benefited are more
likely to cheat than individuals who feel fairly treated or over-benefited (Hatfield, 1979)
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• Fatal attraction theory (Felmlee, 1995)• http://www.helium.com/items/171662-the-
make-or-break-theory-of-fatal-attraction• Factor that caused initial attraction is also
responsible for its ultimate demise• A musician that lives freely and day-to-day is
initially attractive but long-term his partner may view him as undesirable to settle down with