Random drift versus selection in academic vocabulary: an evolutionary analysis of published keywords

Details Random drift versus selection in academic vocabulary: an evolutionary analysis of published keywords Random drift versus selection in academic vocabulary: an evolutionary analysis of published keywords

2008-07-08

arxiv.org/abs/0807.1182v1

PLoS ONE, 3 (2008) e3057

Physics

Physics and Society

9 pages, 4 figures

Scientific paper

10.1371/journal.pone.0003057

The evolution of vocabulary in academic publishing is characterized via keyword frequencies recorded the ISI Web of Science citations database. In four distinct case-studies, evolutionary analysis of keyword frequency change through time is compared to a model of random copying used as the null hypothesis, such that selection may be identified against it. The case studies from the physical sciences indicate greater selection in keyword choice than in the social sciences. Similar evolutionary analyses can be applied to a wide range of phenomena; wherever the popularity of multiple items through time has been recorded, as with web searches, or sales of popular music and books, for example.

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