Use of positive and negative words in scientific PubMed abstracts between 1974 and 2014 : retrospective analysis
Vinkers, Christiaan H
Tijdink, Joeri K
Otte, Willem M
- Publisher: BMJ Publishing Group Ltd.
(issn: 0959-8138, eissn: 1756-1833)
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...