Affective responses to uncertain real-world outcomes: Sentiment change on Twitter

PloS One
Sudeep BhatiaLukasz Walasek

Abstract

We use data from Twitter.com to study the interplay between affect and expectations about uncertain outcomes. In two studies, we obtained tweets about candidates in the 2014 US Senate elections and tweets about National Football League (NFL) teams in the 2014/2015 NFL season. We chose these events because a) their outcomes are highly uncertain and b) they attract a lot of attention and feature heavily in the communication on social media. We also obtained a priori expectations for the events from political forecasting and sport betting websites. Using this quasi-experimental design, we found that unexpected events are associated with more intense affect than expected events. Moreover, the effect of expectations is larger for outcomes that fall below expectations than outcomes that exceed expectations. Our results are consistent with fundamental principles in psychological science, such as reference-dependence in experienced affect. We discuss how naturally occurring online data can be used to test psychological predictions and develop novel psychological insights.

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Citations

Aug 28, 2020·Risk Analysis : an Official Publication of the Society for Risk Analysis·Sudeep BhatiaHoward Kunreuther
Dec 22, 2020·Applied Network Science·Joel Dyer, Blas Kolic

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