Summary (in chronological order) of research on influencing variables on the h-index
| Authors | Geographical context | Knowledge area | Variables analyzed | Main conclusions |
|---|---|---|---|---|
| Martinez et al. (1997) | Spain | Radiodiagnostics | Productivity of Spanish authors in radiodiagnostics | The productivity of Spanish medical literature authors is comparable to other medical journals. Among highly productive authors, 61% also publish in other journals, and nearly 27% submit to foreign ones, but their individual impact remains difficult to assess without further study |
| Belinchón-Romero et al. (2002) | Spain | Dermatology | • Scientific productivity of the Spanish authors in international journals | The 2.3% of the signers of documents (41 of the 1832 citable document authors) are responsible for 24.6% of the total of responsibilities. The five more productive authors were: Requena L, Sánchez Yus E, De Moragas JM, Camacho F and Aliaga A |
| Estrada-Lorenzo et al. (2003) | Spain Spanish America | Health | • Number of authors • Institutions • Geographic scope • Authors’ productivity | The productivity of authors publishing in La revista española de salud pública is like that of other Spanish biomedical journals, and lower than when studying thematic and territorial areas in more than one publication |
| McCarty et al. (2013) | Worldwide | Several areas | • Number of co-authors • Co-author network structure • Highly productive authors | Most of the variance was explained by the number of co-authors and by the association with highly productive co-authors. Network structure was not predictive |
| Svider et al. (2013) | Worldwide | Otorhinolaryngology | Academic rank | The h-index was positively correlated with academic rank, and there were no significant differences between the h-index for professors and department directors |
| Albacete Sáez et al. (2013) | Spain | Economy and business management | • Spanish scientific production published between 1997 and 2011 • Main topics researched in 26 most relevant international journals of tourism and hospitality | An increase in publications since 2001, with a preference for journals such as Tourism Management and Tourism Economics. It identifies key areas such as marketing and business management. Notes the influence of universities in sun and beach destinations, although institutions are emerging in cultural and inland tourism regions |
| Ashfaq et al. (2018) | USA | General surgery | • Academic rank • Publications | The h-index increased with academic rank and number of publications |
| López-Bonilla et al (2018) | Spain | Tourism and hospitality | • Articles published by prolific authors • Gender • Number of co-authors • Citations • Journals • Institutions and areas of knowledge | Spanish authors publish mainly in tourism and hospitality journals, with Tourism Management and Tourism Economics standing out. Scientific production is concentrated in areas such as applied economics and marketing, among the most prolific authors, J.L. Nicolau stands out followed by J. Rosselló and D.M. Frías Jamilena |
| Hu et al. (2018) | Canada | Surgery | • Postgraduate degree • Academic rank • Years of practice | Postgraduate degree, academic rank and years of practice are positively correlated with the h-index |
| Monir et al. (2020) | USA | Pediatric dermatology | • Scholarship certification year • Academic practice • Academic rank | The h-index is positively correlated with time since academic certification, with academic practice, and with academic rank |
| This investigation | Spain | Marketing | • University • Academic rank • Gender • Budget/teaching staff • University with/without individual marketing department • Spanish region | The academic rank of the researcher, the existence of a marketing department and gender are, in that order, the variables with the greatest influence on the h-index. The research budget does not have a significant influence on research capacity |
| Authors | Geographical context | Knowledge area | Variables analyzed | Main conclusions |
|---|---|---|---|---|
| Spain | Radiodiagnostics | Productivity of Spanish authors in radiodiagnostics | The productivity of Spanish medical literature authors is comparable to other medical journals. Among highly productive authors, 61% also publish in other journals, and nearly 27% submit to foreign ones, but their individual impact remains difficult to assess without further study | |
| Spain | Dermatology | • Scientific productivity of the Spanish authors in international journals | The 2.3% of the signers of documents (41 of the 1832 citable document authors) are responsible for 24.6% of the total of responsibilities. The five more productive authors were: Requena L, Sánchez Yus E, De Moragas JM, Camacho F and Aliaga A | |
| Spain | Health | • Number of authors | The productivity of authors publishing in | |
| Worldwide | Several areas | • Number of co-authors | Most of the variance was explained by the number of co-authors and by the association with highly productive co-authors. Network structure was not predictive | |
| Worldwide | Otorhinolaryngology | Academic rank | The | |
| Spain | Economy and business management | • Spanish scientific production published between 1997 and 2011 | An increase in publications since 2001, with a preference for journals such as | |
| USA | General surgery | • Academic rank | The | |
| Spain | Tourism and hospitality | • Articles published by prolific authors | Spanish authors publish mainly in tourism and hospitality journals, with | |
| Canada | Surgery | • Postgraduate degree | Postgraduate degree, academic rank and years of practice are positively correlated with the | |
| USA | Pediatric dermatology | • Scholarship certification year | The | |
| This investigation | Spain | Marketing | • University | The academic rank of the researcher, the existence of a marketing department and gender are, in that order, the variables with the greatest influence on the |
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