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Use of positive and negative words in scientific PubMed abstracts between 1974 and 2014: retrospective analysis
Objective To investigate whether language used in science abstracts can skew towards the use of strikingly positive and negative words over time. Design Retrospective analysis of all scientific abstracts in PubMed between 1974 and 2014. Methods The yearly frequencies of positive, negative, and neutr...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BMJ Publishing Group Ltd.
2015
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4677695/ https://www.ncbi.nlm.nih.gov/pubmed/26668206 http://dx.doi.org/10.1136/bmj.h6467 |