Tobias Gummer
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Using instructed response items as attention checks in web surveys: Properties and implementation
T Gummer, J Roßmann, H Silber
Sociological Methods & Research 50 (1), 238-264, 2021
Explaining interview duration in web surveys: A multilevel approach
T Gummer, J Roßmann
Social Science Computer Review 33 (2), 217-234, 2015
‘Show me the money and the party!’–variation in Facebook and Twitter adoption by politicians
S Quinlan, T Gummer, J Roßmann, C Wolf
Information, communication & society 21 (8), 1031-1049, 2018
Mitigating satisficing in cognitively demanding grid questions: evidence from two web-based experiments
J Roßmann, T Gummer, H Silber
Journal of Survey Statistics and Methodology 6 (3), 376-400, 2018
Using paradata to predict and correct for panel attrition
J Roßmann, T Gummer
Social Science Computer Review 34 (3), 312-332, 2016
Social media monitoring of the campaigns for the 2013 german bundestag elections on facebook and twitter
L Kaczmirek, P Mayr, R Vatrapu, A Bleier, M Blumenberg, T Gummer, ...
arXiv preprint arXiv:1312.4476, 2013
Does increasing mobile device coverage reduce heterogeneity in completing web surveys on smartphones?
T Gummer, F Quoß, J Roßmann
Social Science Computer Review 37 (3), 371-384, 2019
Prävention, Korrektur oder beides?
JE Blumenstiel, T Gummer
Nonresponse Bias, 13-44, 2015
Assessing trends and decomposing change in nonresponse bias: the case of bias in cohort distributions
T Gummer
Sociological Methods & Research 48 (1), 92-115, 2019
The impact of Covid-19 on fieldwork efforts and planning in pairfam and FReDA-GGS
T Gummer, C Schmiedeberg, M Bujard, P Christmann, K Hank, T Kunz, ...
Survey Research Methods 14 (2), 223-227, 2020
Effects of respondent and survey characteristics on the response quality of an open-ended attitude question in Web surveys
K Schmidt, T Gummer, J Roßmann
methods, data, analyses 14 (1), 32, 2020
Gewichtung in der German Longitudinal Election Study 2009
MS Blumenberg, T Gummer
DEU 2013, 46, 2013
A Note on How Prior Survey Experience With Self-Administered Panel Surveys Affects Attrition in Different Modes
T Gummer, J Daikeler
Social Science Computer Review 38 (4), 490-498, 2020
Working with user agent strings in Stata: The PARSEUAS command
J Roßmann, T Gummer, L Kaczmirek
Journal of Statistical Software 92 (1), 1-16, 2020
Learning effects in coders and their implications for managing content analyses
T Gummer, MS Blumenberg, J Roßmann
International Journal of Social Research Methodology 22 (2), 139-152, 2019
Multiple Panels in der empirischen Sozialforschung: Evaluation eines Forschungsdesigns mit Beispielen aus der Wahlsoziologie
T Gummer
Springer-Verlag, 2015
The European values study 2017: On the way to the future using mixed-modes
R Luijkx, GA Jónsdóttir, T Gummer, M Ernst Stähli, M Frederiksen, ...
European Sociological Review 37 (2), 330-346, 2021
Relying on external information sources when answering knowledge questions in web surveys
T Gummer, T Kunz
Sociological Methods & Research, 0049124119882470, 2019
The effects of propensity score weighting on attrition biases in attitudinal, behavioral, and socio-demographic variables in a short-term web-based panel survey
T Gummer, J Roßmann
International Journal of Social Research Methodology 22 (1), 81-95, 2019
Langfrist-Panels der German Longitudinal Election Study (GLES): Konzeption, Durchführung, Aufbereitung und Archivierung
JE Blumenstiel, T Gummer
DEU 2012, 38, 2012
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