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BEGIN:VEVENT
DTSTAMP:20260411T170535Z
DTSTART;VALUE=DATE-TIME:20100203T130000
DTEND;VALUE=DATE-TIME:20100203T140000
SUMMARY:CANCELLED Complexity Forum - Damon Centola
TZID:Europe/London
UID:20100203-094d43d5385c299a01386c3bd8b16d84@warwick.ac.uk
CREATED:20100110T220814Z
DESCRIPTION:CANCELLED Speaker: Damon Centola (MIT) Title: Diffusion in So
 cial Networks: New Theory and Experiments Abstract: The strength of weak
  ties is that they tend to be long – they connect socially distant locat
 ions. Research on “small worlds” shows that these long ties can dramatic
 ally reduce the “degrees of separation” of a social network\, thereby al
 lowing ideas and behaviors to rapidly diffuse. However\, I show that the
  opposite can also be true. Increasing the frequency of long ties in a c
 lustered social network can also inhibit the diffusion of collective beh
 avior across a population. For health related behaviors that require str
 ong social reinforcement\, such as dieting\, exercising\, smoking cessat
 ion\, or even condom use\, successful diffusion may depend primarily on 
 the width of bridges between otherwise distant locations\, not just thei
 r length. I present formal and computational results that demonstrate th
 ese findings\, and then present results from an on-line experiment desig
 ned to empirically test the effects of social network topology on the di
 ffusion of behavior.
LOCATION:
CATEGORIES:Seminar Room D1.07,forum
LAST-MODIFIED:20120709T145408Z
ORGANIZER;CN=Colm Connaughton:
END:VEVENT
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