This study explores how researchers’ analytical choices affect the reliability of scientific findings. Most discussions of reliability problems in science focus on systematic biases. We broaden the lens to emphasize the idiosyncrasy of conscious and unconscious decisions that researchers make...

This study investigates researcher variability in computational reproduction, an activity for which it is least expected. Eighty-five independent teams attempted numerical replication of results from an original study of policy preferences and immigration. Reproduction teams were randomly...

Diese Research Note berichtet zentrale Ergebnisse des Open Expert Surveys 2021 (OES21). In diesem Expert:innen-Survey, der vor der Bundestagswahl 2021 durchgeführt wurde, haben mehr als 300 Politikwissenschaftler:innen die wichtigsten Parteien entlang zentraler politischer Sachfragen verortet...

Das komplexer gewordene bundesdeutsche Parteiensystem und die Angleichung in der Stärke der Parteien bei Wahlen führt zu einem ebenfalls komplexeren Koalitions- und Regierungsbildungsprozess auf Bundes- wie Landesebene. Diese Kurzanalyse präsentiert die programmatischen Profile der im...

This paper studies the effects of political factors, mainly partisanship, on corporate taxes in the past 30 years - a period of intensifying competitive pressure in Europe. Extending the Zodrow-Mieszkowski model by decision-makers who have ideological preferences yields the hypothesis that...

The GLES Open Science Challenge 2021 was a pioneering initiative in quantitative political science. Aimed at increasing the adoption of replicable and transparent research practices, it led to this special issue. The project combined the rigor of registered reports—a new publication format in...

The GLES Open Science Challenge 2021 was a pilot project aimed at demonstrating that registered reports are an appropriate and beneficial publication format in quantitative political science that helps to increase transparency and replicability in the research process and thus yields substantial...