Longitudinal analysis of sentiment and emotion in news media headlines using automated labelling with Transformer language models.

PLoS One · 2022 · PMC9578611 · PMID 36256658

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a decreasing trendno p-value reported

The joy emotional category shows a curvilinear pattern with increasing proportion of headlines denoting joy from 2000 to 2010 and a decreasing trend from 2010 to 2019.

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