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An early 2010 paper by Christakis and Fowler documented, using an in-person experiment, that cooperation behavior can cascade to three degrees of separation. [36] A 2012 experiment involved 61,000,000 people who used Facebook and it showed the spread of voting behavior out to two degrees of separation. [ 37 ]
Nicholas A. Christakis (born May 7, 1962) is a Greek-American [1] sociologist and physician known for his research on social networks and on the social, economic, biological, and evolutionary determinants of human welfare (including the behavior, health, and capabilities of individuals and groups).
In September 2009, Little, Brown & Co. published Connected: The Surprising Power of Our Social Networks and How They Shape Our Lives by Nicholas A. Christakis and James H. Fowler. [36] Connected draws on previously published and unpublished studies, including the Framingham Heart Study and makes several new conclusions about the influence of ...
Beginning in the late 1990s, social network analysis experienced work by sociologists, political scientists, and physicists such as Duncan J. Watts, Albert-László Barabási, Peter Bearman, Nicholas A. Christakis, James H. Fowler, and others, developing and applying new models and methods to emerging data available about online social networks ...
[1] [2] [3] With respect to positive social contagions, a series of experiments and field trials since 2009 (by Nicholas Christakis and diverse collaborators) have shown that cascades of desirable behaviors can be induced in social groups, in settings as diverse as Honduras villages, [4] [5] [6] Indian slums, [7] online, [8] or in the lab. [9]
In a 2009 U.S. study, researchers found that a majority of the addicts they surveyed were buying Suboxone on the black market in an attempt to get sober. Seventy-four percent were using Suboxone to ease withdrawal symptoms while sixty-four percent were using it because they couldn’t afford drug treatment.
Beginning in the late 1990s, social network analysis experienced a further resurgence with work by sociologists, political scientists, economists, computer scientists, and physicists such as Duncan J. Watts, Albert-László Barabási, Peter Bearman, Nicholas A. Christakis, James H. Fowler, Mark Newman, Matthew Jackson, Jon Kleinberg, and others ...
A study in 2010 by Christakis and Fowler showed that flu outbreaks can be detected almost two weeks before traditional surveillance measures would do so by using the friendship paradox in monitoring the infection in a social network. [19]