Friendship | Human Nature Lab | Human Nature Lab at Yale

Gut Microbiome Strain-sharing within Isolated Village Social Networks (Nature, 2024)

14 | Friendship , Genetics , Global Health , Homophily , Honduras , Indigenous Social Network , Infectious Disease , LIMC , Microbiome , NAC Favorite , Nature , Social Network , Sociocentric Network , Trellis Software

Citation:

Beghini F, Pullman J, Alexander M, Shridhar SV, Prinster D, Singh A, Matute Juárez R, Airoldi EM, Brito IL, Christakis NA. Gut microbiome strain-sharing within isolated village social networks. Nature. 2025 Jan;637(8044):167-175. doi: 10.1038/s41586-024-08222-1. Epub 2024 Nov 20. PMID: 39567691; PMCID: PMC11666459.

Testing for Balance in Social Networks

6 | Methodology , NAC Favorite , Social Network , Sociocentric Network , Honduras , Friendship

Citation:

D. Feng, Altmeyer R., D. Stafford, N. A. Christakis, and Zhou H., “Testing for Balance in Social Networks,” Journal of the American Statistical Association, 06/2020: 1-19 (May 2020) DOI: 10.1080/01621459.2020.1764850

The Structure of Negative Ties in Rural Village Networks

10 | Methodology , Antagonistic Networks , Honduras , LIMC , Social Network , Sociocentric Network , Global Health , Trellis Software , Friendship , NAC Favorite

Citation:

A. Isakov, J.H. Fowler, E. Airoldi, and N. A. Christakis, “The Structure of Negative Ties in Rural Village Networks,” Sociological Science, Vol. 6, p197-218 (Mar 2019) DOI: 10.15195/v6.a8

Online Social Integration is Associated with Reduced Mortality Risk

5 | PNAS , Online Network , Social Network , Sociocentric Network , Friendship

Citation:

W.R. Hobbs, M.K. Burke, N.A. Christakis, and J.H. Fowler, "Online Social Integration is Associated with Reduced Mortality Risk" PNAS: Proceedings of the National Academy of Sciences, 113(46): 12980-12984 (November 2016) doi: 10.1073/pnas.1605554113

Formation of Raiding Parties for Inter-Group Violence is Mediated by Social Network Structure

9 | Evolutionary Biology , LIMC , NAC Favorite , PNAS , Social Network , Sociocentric Network , Indigenous Social Network , Friendship , Violence

Citation:

L. Glowacki, A. Isakov, R. W. Wrangham, R. McDermott, J. H. Fowler, and N. A. Christakis, "Formation of Raiding Parties for Inter-Group Violence is Mediated by Social Network Structure" PNAS: Proceedings of the National Academy of Sciences, 2016 Oct 25;113(43):12114-12119. 10.1073/pnas.1610961113

Social networks and health: a systematic review of sociocentric network studies in low- and middle-income countries

7 | Systematic Review , LIMC , Social Network , Sociocentric Network , Global Health , Methodology , Friendship

Citation:

Perkins JM, Subramanian SV, Christakis NA. Social networks and health: a systematic review of sociocentric network studies in low- and middle-income countries. Soc Sci Med. 2015 Jan;125:60-78. doi: 10.1016/j.socscimed.2014.08.019. Epub 2014 Aug 19. PMID: 25442969; PMCID: PMC5690563.

Friendship and Natural Selection (PNAS, 2014)

6 | Evolutionary Biology , Friendship , Genetics , NAC Favorite , PNAS , Social Network

Citation:

N.A. Christakis and J.H. Fowler, "Friendship and Natural Selection" PNAS: Proceedings of the National Academy of Sciences, 111 (Supplement 3): 10796-10801 (July, 2014) doi: 10.1073/pnas.1400825111

Egocentric Social Network Structure, Health, and Pro-Social Behaviors in a National Panel Study of Americans

3 | Cooperation , Egocentric Network , Friendship

Citation:

A.J. O’Malley, S. Arbesman, D.M. Steiger, J.H. Fowler, and N.A. Christakis, "Egocentric Social Network Structure, Health, and Pro-Social Behaviors in a National Panel Study of Americans" PLoS ONE, 7(5): e36250 (May 2012); http://dx.doi.org/10.1371/journal.pone.0036250

Social Networks and Cooperation in Hunter-Gatherers (Nature, 2012)

11 | LIMC , Cooperation , Tanzania , Social Network , Evolutionary Biology , NAC Favorite , Nature , Homophily , Indigenous Social Network , Friendship , Public Goods

Citation:

C.L. Apicella, F.W. Marlowe, J.H. Fowler, and N.A. Christakis, "Social Networks and Cooperation in Hunter-Gatherers" Nature, 481(7382): 497-501 (January 2012)

Longitudinal Analysis of Large Social Networks: Estimating the Effect of Health Traits on Changes in Friendship Ties

4 | Friendship , Social Network , Sociocentric Network , Homophily

Citation:

A.J. O’Malley and N.A. Christakis, "Longitudinal Analysis of Large Social Networks: Estimating the Effect of Health Traits on Changes in Friendship Ties" Statistics in Medicine, 30(9): 950- 964 (April 2011); http://dx.doi.org/10.1002/sim.4190

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