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Good questions, bad questions? A Post-Survey Evaluation Strategy Based on Item Nonresponse [journal article]

Author(s): Gummer, Tobias; Roßmann, Joss

Source: Survey Methods: Insights from the Field, (2013). p.10

Gewichtung in der German Longitudinal Election Study 2009 [working paper]

Author(s): Blumenberg, Manuela S.; Gummer, Tobias.- 2013. 46p.

Langfrist-Panels der German Longitudinal Election Study (GLES): Methodik und Durchführung der Erhebungen im Jahr 2012 und zur Bundestagswahl [working paper]

Author(s): Blumenstiel, Jan Eric; Gummer, Tobias.- 2014. 45p.

Long-Term Panels of the German Longitudinal Election Study (GLES): Concept and Implementation [working paper]

Author(s): Blumenstiel, Jan Eric; Gummer, Tobias.- 2013. 39p.

Bericht zur Datenqualität der GLES 2009 [working paper]

Author(s): Blumenberg, Manuela S.; Roßmann, Joss; Gummer, Tobias.- 2013. 267p.

Gewichtung in der German Longitudinal Election Study 2013 [working paper]

Author(s): Blumenberg, Manuela S.; Gummer, Tobias.- 2016. 35p.

Bericht zur Datenqualität der GLES 2013 [research report]

Author(s): Roßmann, Joss; Blumenberg, Manuela S.; Gummer, Tobias.- 2017. 210p.

Social Media Monitoring of the Campaigns for the 2013 German Bundestag Elections on Facebook and Twitter [working paper]

Author(s): Kaczmirek, Lars; Mayr, Philipp; Vatrapu, Ravi; Bleier, Arnim; Blumenberg, Manuela S.; Gummer, Tobias; Hussain, Abid; Kinder-Kurlanda, Katharina; Manshaei, Kaveh; Thamm, Mark; Weller, Katrin; Wenz, Alexander; Wolf, Christof.- 2014. 34p.

Langfrist-Panels der German Longitudinal Election Study (GLES): Konzeption, Durchführung, Aufbereitung und Archivierung [working paper]

Author(s): Blumenstiel, Jan Eric; Gummer, Tobias.- 2012. 38p.

'Show me the money and the party!' - variation in Facebook and Twitter adoption by politicians [journal article]

Author(s): Quinlan, Stephen; Gummer, Tobias; Roßmann, Joss; Wolf, Christof

Source: Information, Communication & Society, 21 (2018) 8. p.1031-1049

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