Publication: El efecto de la exposición a los sondeos preelectorales en el comportamiento de los votantes en las elecciones autonómicas en Andalucía de 2018
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2021
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Universitat Autònoma de Barcelona
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Abstract
Los sondeos preelectorales se han convertido en una herramienta de comunicación política para partidos políticos y medios de comunicación. Este trabajo ha pretendido estudiar el efecto de la exposición a las encuestas en el comportamiento electoral de los votantes para las elecciones autonómicas de Andalucía de 2018. Los muchos sondeos publicados por los medios de comunicación ofrecieron unas expectativas excesivamente optimistas para el Partido Socialista y generaron un escenario de alta competitividad entre partidos conservadores (Partido Popular, Ciudadanos y Vox), lo que afectó a las preferencias electorales de los votantes. Mediante un modelo estadístico en dos fases, hemos comprobado que se produjo una movilización en el electorado socialista dada la probabilidad de una mayoría sólida; así como que los votantes conservadores se declinaron por realizar un voto ideológico (Vox) frente a un voto estratégico (Partido Popular), debido a una falta de mayorías alternativas al gobierno socialista de Susana Díaz.
Pre-election polls have become a tool of political communication for political parties and the media. This study has tried to study the effect of exposure to polls on the electoral behavior of voters for the 2018 Andalusian regional elections. The proliferation of polls published by the media offered overly optimistic expectations for the Socialist Party, and a scenario of high competitiveness between conservative parties (the Popular Party, the liberal party Ciudadanos and the right wing populist party Vox) that affected the electoral preferences of voters. Through a statistical model in two phases, we have verified how mobilization took place in the socialist electorate given the probability of a solid majority, and opting conservative voters to make an ideological vote (Vox) against a strategic vote (Popular Party), due to a lack of alternative majorities to the socialist government of Susana Díaz.
Pre-election polls have become a tool of political communication for political parties and the media. This study has tried to study the effect of exposure to polls on the electoral behavior of voters for the 2018 Andalusian regional elections. The proliferation of polls published by the media offered overly optimistic expectations for the Socialist Party, and a scenario of high competitiveness between conservative parties (the Popular Party, the liberal party Ciudadanos and the right wing populist party Vox) that affected the electoral preferences of voters. Through a statistical model in two phases, we have verified how mobilization took place in the socialist electorate given the probability of a solid majority, and opting conservative voters to make an ideological vote (Vox) against a strategic vote (Popular Party), due to a lack of alternative majorities to the socialist government of Susana Díaz.