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Bericht zur Datenqualität der GLES 2009 [working paper]

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

The Short-term Campaign Panel of the German Longitudinal Election Study 2009: Design, Implementation, Data Preparation, and Archiving [working paper]

Author(s): Steinbrecher, Markus; Roßmann, Joss; Bergmann, Michael.- 2013. 59p.

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

Das Wahlkampf-Panel der German Longitudinal Election Study 2009: Konzeption, Durchführung, Aufbereitung und Archivierung [working paper]

Author(s): Steinbrecher, Markus; Roßmann, Joss; Bergmann, Michael.- 2013. 62p.

'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

Bericht zur Datenqualität der GLES 2013 [research report]

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

The Short-term Campaign Panel of the German Longitudinal Election Study 2009: Design, Implementation, Data Preparation, and Archiving; Version 5.0.0 [research report]

Author(s): Steinbrecher, Markus; Roßmann, Joss; Bergmann, Michael.- 2015. 64p.

Das Wahlkampf-Panel der German Longitudinal Election Study 2009: Konzeption, Durchführung, Aufbereitung und Archivierung; Version 5.0.0 [research report]

Author(s): Steinbrecher, Markus; Roßmann, Joss; Bergmann, Michael.- 2015. 64p.

Effects of Respondent and Survey Characteristics on the Response Quality of an Open-Ended Attitude Question in Web Surveys [journal article]

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

Source: Methods, data, analyses : a journal for quantitative methods and survey methodology (mda), 14 (2020) 1. p.3-34