文章基本信息

标题：Sentiment Analysis of Children and Youth Literature: Is There a Pollyanna Effect?
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作者：Jacobs, Arthur M. ; Herrmann, Berenike ; Lauer, Gerhard 等
期刊名称：Frontiers in Psychology
电子版ISSN：1664-1078
出版年度：2020
卷号：11
页码：1-8
DOI：10.3389/fpsyg.2020.574746
出版社：Frontiers Media
摘要：If the words of natural human language possess a universal positivity bias, as assumed by Boucher and Osgood’s (1969) famous Pollyanna hypothesis and computationally confirmed for large text corpora in several languages (Dodds et al., 2015), then children and youth literature (CYL) should also show a Pollyanna effect. Here we tested this prediction applying a vector space model- based sentiment analysis tool called SentiArt (Jacobs, 2019) to two CYL corpora, one in English (372 books) and one in German (500 books). Pitching our analysis at the sentence level, and assessing semantic as well as lexico-grammatical information, bBoth corpora show the Pollyanna effect and thus add further evidence to the universality hypothesis. The results of our multivariate sentiment analyses provide interesting testable predictions for future scientific studies of literature.
关键词：Pollyanna effect; positivity superiority effect; sentiment analysis; SentiArt; neurocognitive poetics; affective-aesthetic potential; digital humanities; children and youth literature