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1、TheStrengthofWeakTiesAuthor(s):MarkS.GranovetterSource:TheAmericanJournalofSociology,Vol.78,No.6(May,1973),pp.1360-1380Publishedby:TheUniversityofChicagoPressStableURL:http://www.jstor.org/stable/2776392Accessed:15/09/200911:32YouruseoftheJSTORarchiveindicatesy
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4、ofaJSTORtransmissionmustcontainthesamecopyrightnoticethatappearsonthescreenorprintedpageofsuchtransmission.JSTORisanot-for-profitorganizationfoundedin1995tobuildtrusteddigitalarchivesforscholarship.Weworkwiththescholarlycommunitytopreservetheirworkandthemateria
5、lstheyrelyupon,andtobuildacommonresearchplatformthatpromotesthediscoveryanduseoftheseresources.FormoreinformationaboutJSTOR,pleasecontactsupport@jstor.org.TheUniversityofChicagoPressiscollaboratingwithJSTORtodigitize,preserveandextendaccesstoTheAmericanJournalo
6、fSociology.http://www.jstor.orgTheStrengthofWeakTies'MarkS.GranovetterJohnsHopkinsUniversityAnalysisofsocialnetworksissuggestedasatoolforlinkingmicroandmacrolevelsofsociologicaltheory.Theprocedureisillustratedbyelaborationofthemacroimplicationsofoneaspectofsmal
7、l-scaleinteraction:thestrengthofdyadicties.Itisarguedthatthedegreeofoverlapoftwoindividuals'friendshipnetworksvariesdirectlywiththestrengthoftheirtietooneanother.Theimpactofthisprincipleondiffusionofinfluenceandinformation,mobilityoppor-tunity,andcommunityorgan
8、izationisexplored.Stressislaidonthecohesivepowerofweakties.Mostnetworkmodelsdeal,implicitly,withstrongties,thusconfiningtheirapplicabilitytosmall,well-definedgroups.Emphasis
