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Tobias Gummer
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Year
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
902021
Explaining interview duration in web surveys: A multilevel approach
T Gummer, J Roßmann
Social Science Computer Review 33 (2), 217-234, 2015
632015
‘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
522018
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
402018
Using paradata to predict and correct for panel attrition
J Roßmann, T Gummer
Social Science Computer Review 34 (3), 312-332, 2016
362016
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
322013
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
262020
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
252021
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
242019
Prävention, Korrektur oder beides?
JE Blumenstiel, T Gummer
Nonresponse Bias, 13-44, 2015
182015
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
172020
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
172019
Observing many researchers using the same data and hypothesis reveals a hidden universe of uncertainty
N Breznau, EM Rinke, A Wuttke, M Adem, J Adriaans, ...
MetaArXiv, 2021
142021
Relying on external information sources when answering knowledge questions in web surveys
T Gummer, T Kunz
Sociological Methods & Research 51 (2), 816-836, 2022
122022
Informed consent for paradata use in web surveys
T Kunz, C Landesvatter, T Gummer
International Journal of Market Research 62 (4), 396-408, 2020
122020
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
92020
Working with user agent strings in Stata: The PARSEUAS command
J Roßmann, T Gummer, L Kaczmirek
Journal of Statistical Software 92, 1-16, 2020
82020
When near means related: evidence from three web survey experiments on inter-item correlations in grid questions
H Silber, J Roßmann, T Gummer
International Journal of Social Research Methodology 21 (3), 275-288, 2018
82018
Gewichtung in der German Longitudinal Election Study 2009
MS Blumenberg, T Gummer
DEU 2013, 46, 2013
82013
Learning facts about migration: Politically motivated learning of polarizing information about refugees
K Glinitzer, T Gummer, M Wagner
Political Psychology 42 (6), 1053-1069, 2021
72021
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