Dr. T.N. (Thed) van Leeuwen
Person photo
Organisation: Centre for Science and Technology Studies
Phone: +31-(0)71-5273928
Fax: +31-(0)71-5273911
E-Mail: leeuwen@cwts.leidenuniv.nl
Description:
Senior Researcher. MSc 1987 Political Sciences, University of Amsterdam, From February 1989 at CWTS. PhD Science Studies, 2004, Leiden. Coordinator for research performance projects. Currently involved in most bibliometric evaluations projects. Member of CWTS management team.
  
Publications (74)
Research programs (1)
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[High quality of research supported by the Netherlands Heart Foundation ('Nederlandse Hartstichting')]
Nederlands tijdschrift voor geneeskunde; 2010:
OBJECTIVE: To assess the quality of scientific research funded by the Netherlands Heart Foundation (NHF), using bibliometrical analysis of published research results, in order to determine whether the resources of the NHF for research were being invested wisely. DESIGN: Retrospective, descriptive. ...
A Bibliometric Classificatory Approach for the Study and Assessment of Research Performance at the Individual Level: The Effects of Age on Productivity and Impact
JOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE AND TECHNOLOGY; 2010: 1564 - 1581
The authors set forth a general methodology for conducting bibliometric analyses at the micro level. It combines several indicators grouped into three factors or dimensions, which characterize different aspects of scientific performance. Different profiles or "classes" of scientists are described ...
A Bibliometric Classificatory Approach for the Study and Assessment of Research Performance at the Individual Level: The Effects of Age on Productivity and Impact
JOURNAL OF THE AMERICAN SOCIETY FOR INFORMATION SCIENCE AND TECHNOLOGY; 2010: 1564 - 1581
The authors set forth a general methodology for conducting bibliometric analyses at the micro level. It combines several indicators grouped into three factors or dimensions, which characterize different aspects of scientific performance. Different profiles or "classes" of scientists are described ...
A bibliometric mehodology for exloring interdisciplinairy, 'unorthodox' field of science. A case study of environmental medicine
2001: 87 - 122
A bibliometric methodology for supporting research assessment at individual level: a classification approach
2009: 817 - 828
A critical analysis of the journal impact factors of Angewandte Chemie and the Journal of the American Chemical Society - Inaccuracies in published impact factors based on overall citations only
SCIENTOMETRICS; 1996: 105 - 116
A new classification system to describe the ageing of scientific journals and their impact factors
JOURNAL OF DOCUMENTATION; 1998: 387 - 419
A new classification system to describe the ageing of scientific journals and their impact factors
Journal of Documentation; 1998: 387 - 419
Assessing multidisciplinary areas of science and technology: A synthetic bibliometric study of Dutch nuclear energy research
Scientometrics; 1993: 15 - 134
Assessment of the scientific basis of interdisciplinary, applied research - Application of bibliometric methods in Nutrition and Food Research
RESEARCH POLICY; 2002: 611 - 632
We present the results of a study to assess crucial aspects and the strength of the scientific basis of atypically interdisciplinary, applied field: Nutrition and Food Research. Our approach is based on an advanced bibliometric analysis with novel elements to assess the influence and dissemination ...