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| Structural Balance Theory× | ソーシャルネットワーク分析× | |
|---|---|---|
| 分野≠ | Sociology | ネットワーク分析 |
| 系統≠ | Process / pipeline | Machine learning |
| 提唱年≠ | 1946 (Heider); 1956 (Cartwright & Harary) | 1934 (sociometry); 1994 (modern formalization) |
| 提唱者≠ | Fritz Heider; formalized by Dorwin Cartwright & Frank Harary | Moreno, J.L.; formalized by Wasserman & Faust |
| 種類≠ | Theory and graph-theoretic test for tension in signed relationships | Structural/relational analysis framework |
| 原典≠ | Cartwright, D., & Harary, F. (1956). Structural balance: a generalization of Heider's theory. Psychological Review, 63(5), 277–293. DOI ↗ | Wasserman, S. & Faust, K. (1994). Social Network Analysis: Methods and Applications. Cambridge University Press. ISBN: 978-0-521-38707-1 |
| 別名 | balance theory, Heider balance, signed network balance, structural balance analysis | SNA, network analysis, sociometric analysis, relational analysis |
| 関連 | 5 | 5 |
| 概要≠ | Structural balance theory analyzes networks whose ties carry a sign — positive for liking, alliance, or trust, negative for hostility or distrust — and asks which configurations are psychologically and socially stable. Originating in Fritz Heider's cognitive balance principle and given a graph-theoretic form by Dorwin Cartwright and Frank Harary in 1956, it predicts that signed networks evolve toward states free of the tension produced by inconsistent triads such as 'the friend of my enemy'. | Social Network Analysis (SNA) is a structural method that maps and measures relationships and flows between people, groups, organizations, or other entities modeled as nodes connected by ties (edges). Rather than focusing on individual attributes, SNA reveals how the pattern of connections shapes behavior, influence, information flow, and outcomes within a system. |
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