Data Archives: Polish Social Data Archive (1997-2019) & Harvard Dataverse (2023) 1997 1997 Post election study – POL 1997 Post election study – EN 2001 2001 Post election study – POL 2001 Post election study – EN 2005 2005 Post election study – POL – W1 2005 Post election study – POL – W2 2007 2007 Post election study – POL 2007 Post election study – EN 2015 2015 Post election study – POL 2019 Post-election study 2023 Post-election study
