On the map: Nature and Science editorials

Authors:
Cathelijn J. Waaijer;Cornelis A. Bochove;Nees Jan Eck
Affiliations:
Centre for Science and Technology Studies, Leiden University, Leiden, The Netherlands;Centre for Science and Technology Studies, Leiden University, Leiden, The Netherlands;Centre for Science and Technology Studies, Leiden University, Leiden, The Netherlands
Venue:
Scientometrics
Year:
2011

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Abstract

Bibliometric mapping of scientific articles based on keywords and technical terms in abstracts is now frequently used to chart scientific fields. In contrast, no significant mapping has been applied to the full texts of non-specialist documents. Editorials in Nature and Science are such non-specialist documents, reflecting the views of the two most read scientific journals on science, technology and policy issues. We use the VOSviewer mapping software to chart the topics of these editorials. A term map and a document map are constructed and clusters are distinguished in both of them. The validity of the document clustering is verified by a manual analysis of a sample of the editorials. This analysis confirms the homogeneity of the clusters obtained by mapping and augments the latter with further detail. As a result, the analysis provides reliable information on the distribution of the editorials over topics, and on differences between the journals. The most striking difference is that Nature devotes more attention to internal science policy issues and Science more to the political influence of scientists.