Methodology | Human Nature Lab | Human Nature Lab at Yale

Network-cycle motif participation is associated with individual and collective wealth in Honduran villages

8 | Economics , Honduras , Inequality , LMIC , Methodology , Social Network , Sociocentric Network , Trellis Software

Citation:

Shridhar, S.V., Lee, S.T., Charette, Y. et al. Network-cycle motif participation is associated with individual and collective wealth in Honduran villages. Sci Rep 15, 27680 (2025).

Realism Drives Interpersonal Reciprocity but Yields to AI-Assisted Egocentrism in a Coordination Experiment

6 | Artificial Intelligence (AI) , Breadboard Software , Cooperation , Experiment , Methodology , Public Goods

Citation:

Hirokazu Shirado, Kye Shimizu, Nicholas A Christakis, and Shunichi Kasahara. 2025. Realism Drives Interpersonal Reciprocity but Yields to AI-Assisted Egocentrism in a Coordination Experiment. In CHI Conference on Human Factors in Computing Systems (CHI ’25), April 26–May 01, 2025, Yokohama, Japan. ACM, New York, NY

Cognitive representations of social networks in isolated villages

11 | Friendship , Honduras , Indigenous Social Network , Genetics , LMIC , Methodology , Multiplex Network , NAC Favorite , Social Network , Sociocentric Network , Trellis Software

Citation:

Feltham, E., Forastiere, L. & Christakis, N.A. Cognitive representations of social networks in isolated villages. Nat Hum Behav (2025). https://doi.org/10.1038/s41562-025-02221-6

Systematic review of methods to discern antagonistic ties in social networks in community settings

2 | Antagonistic Networks , Methodology

Citation:

Ana Lucia Rodriguez de la Rosa, Karina Raygoza Cortez, Alice Lu, Bianka Valentin, Amir Ghasemian, Nicholas Christakis. Systematic review of methods to discern antagonistic ties in social networks in community settings. Social Sciences & Humanities Open, Volume 10, 2024, 101039, ISSN 2590-2911.

Simple Autonomous Agents Can Enhance Creative Discovery in Human Groups

11 | Artificial Intelligence (AI) , Bots , Breadboard Software , Contagion Intervention , Experiment , Hybrid Systems , Methodology , NAC Favorite , Online Network , Social Contagion , Social Network

Citation:

Ueshima A, Jones MI, Christakis NA. Simple autonomous agents can enhance creative semantic discovery by human groups. Nature Communications. 2024 Jun 18;15(1):5212. doi: 10.1038/s41467-024-49528-y. PMID: 38890368; PMCID: PMC11189566.

Maternal and Child Health Interventions to Promote Behavior Change: A Population-Level Cluster-Randomized Controlled Trial in Honduras

9 | Experiment , Global Health , Honduras , LMIC , Maternal and Child Health (MNCH) , Methodology , RCT , Social Network , Trellis Software

Citation:

Oles W, Alexander M, Negron R, et al. Maternal and child health intervention to promote behaviour change: a population-level cluster-randomised controlled trial in Honduras. BMJ Open 2024;14:e060784. doi:10.1136/ bmjopen-2022-060784

The Enmity Paradox

8 | Methodology , NAC Favorite , Antagonistic Networks , Honduras , Social Network , Sociocentric Network , Trellis Software , Violence

Citation:

Ghasemian A, Christakis NA. The enmity paradox. Sci Rep. 2023 Nov 16;13(1):20040. doi: 10.1038/s41598-023-47167-9. PMID: 37973933; PMCID: PMC10654772.

Clinically relevant antibiotic resistance genes are linked to a limited set of taxa within gut microbiome worldwide

5 | Methodology , Microbiome , Honduras , Infectious Disease , Global Health

Citation:

Diebold PJ, Rhee MW, Shi Q, Trung NV, Umrani F, Ahmed S, Kulkarni V, Deshpande P, Alexander M, Thi Hoa N, Christakis NA, Iqbal NT, Ali SA, Mathad JS, Brito IL. Clinically relevant antibiotic resistance genes are linked to a limited set of taxa within gut microbiome worldwide. Nature Communications. 2023 Nov 14;14(1):7366. doi: 10.1038/s41467-023-42998-6. PMID: 37963868; PMCID: PMC10645880.

AI and the transformation of social science research

3 | Methodology , Artificial Intelligence (AI) , Science

Citation:

Grossmann I, Feinberg M, Parker DC, Christakis NA, Tetlock PE, Cunningham WA. AI and the transformation of social science research. Science. 2023 Jun 16;380(6650):1108-1109. doi: 10.1126/science.adi1778. Epub 2023 Jun 15. PMID: 37319216.

Algorithms for seeding social networks can enhance the adoption of a public health intervention in urban India (PNAS, 2022)

15 | Methodology , NAC Favorite , PNAS , India , Contagion Intervention , Experiment , Global Health , Social Contagion , Social Network , Sociocentric Network , Maternal and Child Health (MNCH) , LMIC , RCT , Trellis Software , Network Targeting

Citation:

M. Alexander, L. Forastiere, N. A. Christakis, and S. Gupta, “Algorithms for seeding social networks can enhance the adoption of a public health intervention in urban India,” PNAS, 119(30) e2120742119 (May 2022) DOI: https://doi.org/10.1073/pnas.2120742119

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