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Social Network Measures for Nosduocentered Networks, their Predictive Power on Performance

Author

Listed:
  • Coromina, Lluís
  • Guia, Jaume
  • Coenders, Germà
Abstract
Our purpose in this article is to define a network structure which is based on two egos instead of the egocentered (one ego) or the complete network (n egos). We describe the characteristics and properties for this kind of network which we call “nosduocentered network”, comparing it with complete and egocentered networks. The key point for this kind of network is that relations exist between the two main egos and all alters, but relations among others are not observed. After that, we use new social network measures adapted to the nosduocentered network, some of which are based on measures for complete networks such as degree, betweenness, closeness centrality or density, while some others are tailor-made for nosduocentered networks. We specify three regression models to predict research performance of PhD students based on these social network measures for different networks such as advice, collaboration, emotional support and trust. Data used are from Slovenian PhD students and their supervisors. The results show that performance for PhD students depends mostly of the emotional network, because it is significant for all three models. Trust and collaboration networks are significant for two models and advice is not significant for any model. As regards network measures, classic and tailor-made measures are about equally good. Measures related to the total intensity of contacts (e.g., density, degree centralization and size) seem to work best to predict performance.

Suggested Citation

  • Coromina, Lluís & Guia, Jaume & Coenders, Germà, 2005. "Social Network Measures for Nosduocentered Networks, their Predictive Power on Performance," Working Papers of the Department of Economics, University of Girona 13, Department of Economics, University of Girona.
    • Handle: RePEc:udg:wpeudg:013
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    File URL: http://www3.udg.edu/fcee/economia/n13.pdf
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    References listed on IDEAS

    as
    1. Gert Sabidussi, 1966. "The centrality index of a graph," Psychometrika, Springer;The Psychometric Society, vol. 31(4), pages 581-603, December.
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    More about this item

    Keywords

    nosduocentered network; academic achievement; performance; network measures;
    All these keywords.

    JEL classification:

    • M12 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Business Administration - - - Personnel Management; Executives; Executive Compensation
    • A23 - General Economics and Teaching - - Economic Education and Teaching of Economics - - - Graduate
    • C69 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Other
    • I29 - Health, Education, and Welfare - - Education - - - Other

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