This dataset accompanies the article analysing the participation of the Law and Justice (Prawo i Sprawiedliwość, PiS) party in elections to the European Parliament between 2004 and 2024. The dataset c
This exit poll survey (VALU, an abbreviation for vallokalsundersökning) was carried out in connection with the parliamentary election on September 19, 2010. In VALU voters leaving polling stations a
The research addresses the evolution of electoral sentiment over the campaign cycle. The researchers translate general arguments about the role of election campaigns into a set of formal, statistical