Abstract
This research examines the association of co-authorship network centrality (degree, closeness and betweeness) and the academic research performance of chemistry researchers in Pakistan. Higher centrality in the co-authorship network is hypothesized to be positively related to performance, in terms of academic publication, with gender having a positive moderating effect for female researchers. Using social network analysis, this study examines the bibliometric data (2002–2009) from ISI Web of Science for the co-authorship network of 2,027 Pakistani authors publishing in the field of Chemistry. A non-temporal analysis using node-level regression reports positive impact of degree and closeness and negative impact of betweeness centrality on research performance. Temporal analysis using node-level regression (time 1: 2002–2005; time 2: 2006–2009) confirms the direction of causality and demonstrates the positive association of degree and closeness centrality on research performance. Findings indicate a moderating role of gender on the relationship of both degree and closeness centrality with research performance for Pakistani female authors.
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Notes
The journal Impact Factor is the average number of times articles from the journal published in the past 2 years have been cited in the Journal citation report (JCR) year.
Geodesic paths need not be unique i.e. nodes can be joined by several shortest path of same length. The length d(n i , n j ) however is always well defined, being the length of any one of these paths.
The 5-year journal Impact Factor is the average number of times articles from the journal published in the past five years have been cited in the JCR year.
The p value for each statistic is calculated as the proportion of permutations that yields a statistic as extreme as the one initially produced.
Distributions for degree centrality and betweeness centrality followed highly skewed curves. Distribution for closeness centrality followed normal curve.
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Badar, K., Hite, J.M. & Badir, Y.F. Examining the relationship of co-authorship network centrality and gender on academic research performance: the case of chemistry researchers in Pakistan. Scientometrics 94, 755–775 (2013). https://doi.org/10.1007/s11192-012-0764-z
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DOI: https://doi.org/10.1007/s11192-012-0764-z