RESUMEN

A Teoria dos Fundamentos Morais postula que liberais e conservadores são orientados por fun-damentos morais distintos, o que pode ser usado como estratégia de persuasão política, bem como influenciar no comportamento de voto. No presente trabalho, realizamos quatro estudos. Os participantes responderam a um instrumento online composto pelo Questionário de Funda-mentos Morais, uma medida de intenção de votos e informaram dados demográficos. Nos estu-dos foram identificados que a tendência individualizante influenciou a intenção de votos a can-didatos de esquerda, enquanto a tendência coesiva influenciou a intenção para candidatos de direita nas eleições presidenciais de 2018 e 2022. Conclui-se que a TFM é um modelo robusto para compreensão de aspectos do comportamento político brasileiro. (AU)

The Moral Foundations Theory postulates that liberals and conservatives are guided by distinct moral foundations, which can be used as a strategy for political persuasion, as well as influ-encing voting behavior. In the present paper, we carried out four studies. Participants re-sponded to an online instrument composed of the Moral Foundations Questionnaire, their in-tention to vote, to assign the position to candidates for the presidency, and their demographic data. The studies identified that the individualizing foundations influenced the intention to vote for left-wing candidates, while the binding foundations influenced the intention to vote for right-wing candidates in Brazil's 2018 and 2022 presidential elections. Therefore, the MFT is a robust model for understanding aspects of Brazilian political behavior. (AU)

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RESUMEN

In an increasingly digitized world, vote advice applications (VAAs) seem to be effective in providing voters with personalized information about their own positions vis-à-vis parties' positions and specific policies. Even though electoral research has increasingly paid attention to the role VAAs play in voter's opinion formation, very few studies have examined VAAs in the context of direct-democratic decisions. This article fills this gap by providing new insights into how VAAs affect individual decision-making in popular votes theoretically and empirically. We use novel data from the referendum campaign on the 2017 new energy law in Switzerland: a VAA experiment carried out in the framework of a three-wave panel survey. In the third wave, which took place a week before the referendum, respondents were randomly assigned to a treatment group and a control group; only the former was shown the VAA and made to use it. The results indicate two main takeaways. First, that using a VAA has a tangible effect inasmuch as the share of undecided voters is smaller among the treatment than among the control group. Second, VAA usage can have both a persuasive effect (i.e., it can change vote intentions) and an intensifying effect (i.e., it can strengthen voters' preexisting intentions). Supplementary Information: The online version contains supplementary material available at 10.1057/s41269-022-00264-5.