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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 (US: / ˌ n ɪ k ə l ə s k r ɪ ˌ s t ɑː k ɪ s / NIK-ə-liss kriss-TAK-iss) (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 [36] Connected draws on previously published and unpublished studies, including the Framingham Heart Study and makes several new conclusions about the influence of ...
Genopolitics is the study of the genetic basis of political behavior and attitudes. It combines behavior genetics, psychology, and political science and it is closely related to the emerging fields of neuropolitics (the study of the neural basis of political attitudes and behavior) and political physiology (the study of biophysical correlates of political attitudes and behavior).
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 ...
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 2023 paper, a parallel paradox, but for negative, antagonistic, or animosity ties, termed the "enmity paradox," was defined and demonstrated by Ghasemian and Christakis. [12] In brief, one's enemies have more enemies than one does, too. This paper also documented diverse phenomena is "mixed worlds" of both hostile and friendly ties.