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Mediation centrality in adversarial policy networks
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Herzog, Stefan M. and Hills, Thomas Trenholm (2019) Mediation centrality in adversarial policy networks. Complexity, 2019 . 1918504. doi:10.1155/2019/1918504 ISSN 1076-2787.
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Official URL: https://doi.org/10.1155/2019/1918504
Abstract
Conflict resolution often involves mediators who understand the issues central to both sides of an argument. Mediators in complex networks represent nodes that are connected to other key nodes in opposing subgraphs. Here we introduce a new metric, mediation centrality, for iden- tifying good mediators in adversarial policy networks, such as the connections between indi- viduals and their reasons for and against the support of controversial topics (e.g., state-financed abortion). Using a process-based account of reason mediation we construct bipartite adversar- ial policy networks and show how mediation defined over subgraph projections constrained to reasons representing opposing sides can be used to produce a measure of mediation centrality that is superior to centrality computed on the full network. We then empirically illustrate and test mediation centrality in a “policy fluency task,” where participants generated reasons for or against eight controversial policy issues (state-subsidized abortion, bank bailouts, forced CO2 reduction, cannabis legalization, shortened naturalization, surrogate motherhood legalization, public smoking ban, and euthanasia legalization). We discuss how mediation centrality can be extended to adversarial policy networks with more than two positions and to other centrality measures.
Item Type: | Journal Article | |||||||||
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Subjects: | H Social Sciences > HM Sociology | |||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Psychology | |||||||||
Library of Congress Subject Headings (LCSH): | Policy networks -- Mathematical models, Social networks -- Mathematical models | |||||||||
Journal or Publication Title: | Complexity | |||||||||
Publisher: | Wiley-Blackwell Publishing, Inc | |||||||||
ISSN: | 1076-2787 | |||||||||
Official Date: | 30 April 2019 | |||||||||
Dates: |
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Volume: | 2019 | |||||||||
Article Number: | 1918504 | |||||||||
DOI: | 10.1155/2019/1918504 | |||||||||
Status: | Peer Reviewed | |||||||||
Publication Status: | Published | |||||||||
Access rights to Published version: | Open Access (Creative Commons) | |||||||||
Date of first compliant deposit: | 7 March 2019 | |||||||||
Date of first compliant Open Access: | 12 March 2019 | |||||||||
RIOXX Funder/Project Grant: |
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