Thed van Leeuwen, PhD

Thed van Leeuwen is a senior researcher at the Centre for Science and Technology Studies (CWTS) of Leiden University in the Netherlands. As the leader of the working group on the development of indicators for the research assessment of scholarly activity in the social sciences, the humanities, and law (WISSH), and member of the working group Evaluation Practices in Context (EPIC), the main focus of his research centers around the organization of research and the various communication practices in the SSH, and the way this is evaluated. The overarching science policy context under which research assessments are organized and the role of bibliometric indicators therein are of major concern for this research agenda.
As a member of EPIC, he is currently involved in PRINTEGER (Promoting Integrity as an Integral Dimension of Excellence in Research) an EC funded project on integrity and responsible research.

 

Publications

Journal publications (82)

Conference publications (36)

  • Díaz-Faes, A.A., Bordons, M., Van Leeuwen, T.N., & Purificación Galindo, M. (2015). Outlining the scientific activity profile of researchers in the Social Sciences and Humanities in Spain: The case of CSIC. In Proceedings of the 15th International Conference of the International Society for Scientometrics and Informetrics (pp. 548-553).
  • Van Leeuwen, T.N., Tatum, C.C., & Wouters, P. (2015). Open Access publishing and citation impact - An international study. In Proceedings of the 15th International Conference of the International Society for Scientometrics and Informetrics (pp. 1130-1141).
  • Prins, A., Costas, R., Van Leeuwen, T.N., & Wouters, P. (2014). Using Google Scholar in research evaluation of social science programs, with a comparison with Web of Science data. In Proceedings of the 18th International Conference on Science and Technology Indicators (pp. 434-443).
  • Prins, A., Costas, R., Van Leeuwen, T.N., & Wouters, P. (2014). Using Google Scholar in research evaluation of social science programs, with a comparison with Web of Science data. In Proceedings of the 18th International Conference on Science and Technology Indicators (pp. 434-443).
  • Van Leeuwen, T.N., & Luwel, M.J.J. (2014). An in-depth analysis of papers retracted in the Web of Science. Conference paper. In Proceedings of the 19th International Conference on Science and Technology Indicators (pp. 337-344).
  • Aksnes, D., Van Leeuwen, T.N., & Sivertsen, G. (2013). The effect of booming countries on changes in the Relative Specialization Index (RSI) on country level. In Proceedings of the 14th International Conference of the International Society for Scientometrics and Informetrics (pp. 654-663).
  • Schneider, J.W., & Van Leeuwen, T.N. (2013). Is post-doc funding stimulating research performance? Evidence from Danish research policy! In Proceedings of the 18th International Conference on Science and Technology Indicators (pp. 352-361).
  • Van Leeuwen, T.N., & Wouters, P. (2013). Analysis of journal impact factor research in time: Development of a specialty? In Proceedings of the 14th International Conference of the International Society for Scientometrics and Informetrics (pp. 66-77).
  • Van Leeuwen, T.N., Van Wijk, E., & Wouters, P. (2013). Recent developments in Dutch research assessment. Scholarly activity in AAH and Law in a new perspective. In Proceedings of the 18th International Conference on Science and Technology Indicators (pp. 396-398).
  • Costas, R., & Van Leeuwen, T.N. (2012). New indicators based on the 'Funding Acknowledgment' information in the Web of Science: analysis of the effect of peer review over the impact of scientific journals. In Proceedings of the 17th International Conference on Science and Technology Indicators (pp. 193-205).
  • Costas, R., & Van Leeuwen, T.N. (2012). New indicators based on the 'Funding Acknowledgment' information in the Web of Science: analysis of the effect of peer review over the impact of scientific journals. In Proceedings of the 17th International Conference on Science and Technology Indicators (pp. 193-205).
  • Van Leeuwen, T.N., Costas, R., Calero-Medina, C.M., & Visser, M.S. (2012). The role of editorial material in bibliometric research performance assessments. In Proceedings of the 17th International Conference on Science and Technology Indicators (pp. 511-522).
  • Van Leeuwen, T.N., Costas, R., Calero-Medina, C.M., & Visser, M.S. (2012). The role of editorial material in bibliometric research performance assessments. In Proceedings of the 17th International Conference on Science and Technology Indicators (pp. 511-522).
  • Waltman, L., Calero-Medina, C.M., Kosten, M.J.F., Noyons, E.C.M., Tijssen, R.J.W., Van Eck, N.J., Van Leeuwen, T.N., Van Raan, A.F.J., Visser, M.S., & Wouters, P. (2012). The Leiden Ranking 2011/2012: Data collection, indicators, and interpretation. In Proceedings of the 17th International Conference on Science and Technology Indicators (pp. 791-802).
  • Costas, R., Van Leeuwen, T.N., & Bordons, M. (2011). Referencing patterns among individual researchers: Study of the use of scientific literature from a micro-level perspective . In Proceedings of the 13th International Conference of the International Society for Scientometrics and Informetrics.
  • Costas, R., Van Leeuwen, T.N., & Bordons, M. (2011). Referencing patterns among individual researchers: Study of the use of scientific literature from a micro-level perspective PROCEEDINGS OF ISSI 2011: THE 13TH CONFERENCE OF THE INTERNATIONAL SOCIETY FOR SCIENTOMETRICS AND INFORMETRICS. In (pp. 163-174).
  • Costas, R., Van Leeuwen, T.N., & Bordons, M. (2011). Referencing patterns among individual researchers: study of the use of scientific literature from a micro-level perspective. In Proceedings of the 13th International Conference of the International Society for Scientometrics and Informetrics (pp. 163-174).
  • Zuccala, A., & Van Leeuwen, T.N. (2011). Book Reviews in Humanities Research Evaluations . In Proceedings of the 13th International Conference of the International Society for Scientometrics and Informetrics.
  • Zuccala, A., & Van Leeuwen, T.N. (2011). Book Reviews in Humanities Research Evaluations. In Proceedings of the 13th International Conference of the International Society for Scientometrics and Informetrics (pp. 936-941).
  • Costas, R., Bordons, M., & Van Leeuwen, T.N. (2009). A bibliometric methodology for supporting research assessment at individual level: a classification approach. In Proceedings of the 12th International Conference on Scientometrics and Informetrics.
  • Costas, R., Van Leeuwen, T.N., & Bordons, M. (2009). A Bibliometric Methodology for Supporting Research Assessment at Individual Level: a Classification Approach. In Proceedings of the 12th International Conference of the International Society for Scientometrics and Informetrics (pp. 817-828).
  • Costas, R., Van Leeuwen, T.N., & Van Raan, A.F.J. (2009). Development of a general methodology for the analysis of the "Durability" of scientific documents. In Proceedings of the 12th International Conference of the International Society for Scientometrics and Informetrics (pp. 918-919).
  • Van Leeuwen, T.N., & Calero-Medina, C.M. (2009). Redefining the Field of Economics: Improving Field Normalization for the Application of Bibliometric Techniques in the Field of Economics. In Proceedings of the 12th International Conference of the International Society for Scientometrics and Informetrics (pp. 410-420).
  • Van Leeuwen, T.N., & Calero-Medina, C.M. (2009). Redefining the field of economics: Improving field normalization for the application of bibliometric techniques in the field of economics. In Proceedings of the 12th International Conference on Scientometrics and Informetrics.
  • Nederhof, A.J., Van Leeuwen, T.N., & Clancy, P. (2008). Boom or bust in space exploration research: A methodological study of bibliometric monitoring and policy implications. In J. Gorraiz, & E. Schiebel (Eds.), Excellence and Emergence. A New Challenge for the Combination of Quantitative and Qualitative Approaches (pp. 109-111).
  • Tijssen, R.J.W., & Van Leeuwen, T.N. (2007). Research cooperation within Europe: Bibliometric views of geographical trends and integration processes. In Proceedings of the 11th International Conference of the International Society for Scientometrics and Informetrics (pp. 740-744).
  • Van Leeuwen, T.N., & Tijssen, R.J.W. (2007). Strength and weakness of national science systems. A bibliometric analysis through cooperation patterns. In Proceedings of the 11th International Conference of the International Society for Scientometrics and Informetrics (pp. 469-479).
  • Calero-Medina, C.M., Van Leeuwen, T.N., & Tijssen, R.J.W. (2005). Research networks of pharmaceutical firms: Geographical patterns of research collaboration within and between firms. In Proceedings of the 10th International Conference of the International Society for Scientometrics and Informetrics (pp. 310-315).
  • Van Looy, B.K., Debackere, K., Callaert, J., Tijssen, R.J.W., & Van Leeuwen, T.N. (2004). National scientific capabilities and technological performance: An exploration of emerging industrial relevant research domains. In Proceedings of the 2004 International Conference on Science and Technology Indicators (pp. 178-188).
  • Rinia, E.J., Van Leeuwen, T.N., Kouw, L.R., & Van Raan, A.F.J. (2003). Can bibliometrics contribute to the study of interdisciplinary influence: A case study of physics. In Proceedings of the 9th Conference of the International Society for Scientometrics and Informetrics (pp. 341-349).
  • Rinia, E.J., Van Leeuwen, T.N., Bruins, E.E.W., Van Vuren, H.G., & Van Raan, A.F.J. (2001). Measuring knowledge transfer between fields of science. In Proceedings of the 8th International Conference of the International Society for Scientometrics and Informetrics (pp. 597-605).
  • Rinia, E.J., Van Leeuwen, T.N., Van Vuren, H.G., & Van Raan, A.F.J. (2001). Impact measures of interdisciplinary research programs in physics. In Proceedings of the 8th International Conference of the International Society for Scientometrics and Informetrics (pp. 10-11).
  • Tijssen, R.J.W., Visser, M.S., & Van Leeuwen, T.N. (2001). Searching for scientific excellence: Scientometric measurements and citation analyses of national research systems. In Proceedings of the 8th International Conference of the International Society for Scientometrics and Informetrics (pp. 675-689).
  • Van Leeuwen, T.N., & Moed, H.F. (2001). Overview of the development and application of journal impact measures within the dutch science system. In Proceedings of the 8th International Conference of the International Society for Scientometrics and Informetrics (pp. 19-20).
  • Moed, H.F., Van Leeuwen, T.N., & Reedijk, J. (1999). Towards appropriate indicators of journal impact. In Proceedings of the 7th International Conference of the International Society for Scientometrics and Informetrics (pp. 341-354).
  • Rinia, E.J., Van Vuren, H.G., Van Leeuwen, T.N., & Van Raan, A.F.J. (1997). Scientometric indicators and peer evaluations: condensed matter physics in the Netherlands. In Proceedings of the 6th Conference of the International Society for Scientometrics and Informetrics (pp. 361-371).

Books (3)

  • Tijssen, R.J.W., Van Leeuwen, T.N., Luo, Y.L., Hung, W.C., Tsai, M.H., Chang, L.D., Hsiao, Y.P., & Chen, H.L. (2003). Macro level bibliometric analysis of Taiwanese Science : Science and Technology Information Center, National Research Council of Taiwan. In (pp. 1995-2001).
  • Tijssen, R.J.W., Van Leeuwen, T.N., & Van Raan, A.F.J. (2002). Mapping the scientific performance of German medical research. An international comparative bibliometric study.
  • Van Leeuwen, T.N., & Van Raan, A.F.J. (2002). Wise Men?s Heritage. Bibliometric study of the research funded by the Netherlands Epilepsy Foundation (NEF) : National Epilepsy Fund. In (pp. 1981-2000).

Book chapters (5)

  • Van Leeuwen, T.N. (2004). Descriptive versus evaluative bibliometrics. In H.F. Moed, W. Glanzel, & U. Schmoch (Eds.), Handbook of Quantitative Science and Technology Research: The Use of Publication and Patent Statistics in Studies of S&T Systems (pp. 373-388). Kluwer Academic Publishers.
  • Van Leeuwen, T.N. (2004). Descriptive versus evaluative bibliometrics. In Handbook of Quantitative Science and Technology Research: The Use of Publication and Patent Statistics in Studies of S&T Systems (pp. 373-389).
  • Van Raan, A.F.J., Van Leeuwen, T.N., & Visser, M.S. (2001). Bibliometrics ? Monitoring emerging fields A bibliometric methodology for exploring interdisciplinary, 'unorthodox' fields of science. A case study of environmental medicine. In S. Maasen, & M. Winterhager (Eds.), Science Studies. Probing the Dynamics of Scientific Knowledge (pp. 87-122).
  • Nederhof, A.J., Van Leeuwen, T.N., & Visser, M.S. (1999). Bibliometric profiles of academic biology research in the Netherlands, 1988-1997. In M.H. Meijerink, & M.H (Eds.), VSNU, Biology (pp. 141-186). VSNU.
  • Nederhof, A.J., Van Leeuwen, T.N., Visser, M.S., & Van der Wurff, L.J. (1999). Bibliometric profiles of academic veterinary and animal sciences research in the Netherlands. Utrecht: VSNU. In M.H. Meijerink (Ed.), VSNU, Veterinary and Animal Sciences (pp. 51-91).

Senior Researcher

T: +31 71 527 3970

E: leeuwen@cwts.leidenuniv.nl


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