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| Analisi della Rete Ego× | Modello Esponenziale di Grafi Aleatori (ERGM / p*)× | |
|---|---|---|
| Campo | Analisi delle reti | Analisi delle reti |
| Famiglia | Process / pipeline | Process / pipeline |
| Anno di origine≠ | 1992 (Burt); foundational measurement formalised by Marsden 2002 | 1986 (foundational); modern ERGM framework 1996–2007 |
| Ideatore≠ | Ronald S. Burt (structural holes framework); Peter V. Marsden (egocentric measures) | Frank & Strauss (1986); extended by Wasserman & Pattison (1996) and Robins et al. (2007) |
| Tipo≠ | Descriptive / relational network analysis | Probabilistic generative network model |
| Fonte seminale≠ | Burt, R.S. (1992). Structural Holes: The Social Structure of Competition. Harvard University Press. ISBN: 9780674843714 | Robins, G., Pattison, P., Kalish, Y., & Lusher, D. (2007). An introduction to exponential random graph (p*) models for social networks. Social Networks, 29(2), 173-191. DOI ↗ |
| Alias≠ | personal network analysis, egocentric network analysis, Ego Ağı Analizi (Personal Network Analysis) | ERGM, p-star model, p* model, Üstel Rastgele Graf Modeli (ERGM / p*) |
| Correlati | 6 | 6 |
| Sintesi≠ | Ego network analysis examines the personal network of a focal individual — the ego — by mapping their direct contacts (alters) and the ties those contacts share with one another. Formalised through Ronald Burt's structural holes framework (1992) and Marsden's egocentric measurement approach (2002), the method produces ego-level indicators such as network size, density, constraint, and brokerage role that reveal how each individual's social position shapes their access to information, resources, and influence. | The Exponential Random Graph Model (ERGM), also known as the p* model, is a statistical framework for network analysis that models the probability of an observed network as a function of its local structural features — such as reciprocity, triangles, and degree distribution. Developed from the foundational work of Frank and Strauss (1986) and extended into the modern framework by Wasserman and Pattison (1996) and Robins et al. (2007), ERGM is the inferential standard for social network analysis, capable of testing whether observed network structures arise by chance or reflect genuine social processes. |
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