320 Politikwissenschaft
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Current political issues are often reflected in social media discussions, gathering politicians and voters on common platforms. As these can affect the public perception of politics, the inner dynamics and backgrounds of such debates are of great scientific interest. This thesis takes user generated messages from an up-to-date dataset of considerable relevance as Time Series, and applies a topic-based analysis of inspiration and agenda setting to it. The Institute for Web Science and Technologies of the University Koblenz-Landau has collected Twitter data generated beforehand by candidates of the European Parliament Election 2019. This work processes and analyzes the dataset for various properties, while focusing on the influence of politicians and media on online debates. An algorithm to cluster tweets into topical threads is introduced. Subsequently, Sequential Association Rules are mined, yielding wide array of potential influence relations between both actors and topics. The elaborated methodology can be configured with different parameters and is extensible in functionality and scope of application.
The PhD thesis offers a long-term investigation of German TV debates with regard to the extent to which the topics dealt with in the debates correspond to the political problems perceived by the voters and whether the actor-specific topics discussed in the TV debates have an influence on the voters' perception of the problems and the perceived responsiveness of the political actors. To this purpose, contents and effects of the Chancellor debates 2002-2013 and the TV debates between 1997 and 2016 are examined at the state level. The empirical investigation is based on an implementation and evaluation of content analyses, the evaluation of opinion polls and the investigation of experimental data on the occasion of the chancellor duels in 2002, 2009 and 2013. The analyses show that TV debates are not only show events, but that the focus of TV debates is on political content (rather than entertaining elements), that the (camp-specific) responsiveness of the format has increased over time, and that successful persuasion - as one of two theme management strategies - by challengers in particular can lead viewers to better assess the effectiveness of the political system.
Im Rahmen dieser Arbeit wird der Einfluss des Wahlszenarios auf die Geheimheit und Öffentlichkeit der Wahl herausgearbeitet. Ein Wahlszenario wird durch seine Wahlform und die verwendete Wahltechnik bestimmt. Bei der Wahl-form kann zwischen einer Präsenz- und einer Fernwahl unterschieden werden. Bei der Wahltechnik zwischen der Papier- und der elektronischen Wahl. Mit der Papier-Präsenzwahl, der Briefwahl (Papier-Fernwahl) und der Internetwahl (elektronische Fernwahl) werden drei prominente Wahlszenarien und ihr Einfluss auf Geheimheit, Privatheit und Öffentlichkeit untersucht.
