• Evaluating Data Sources for Research into Political Reforms: (Non)probability Online Surveys and Big Data (German Science Foundation, 2018-2022)
• Enhancing the Quality and Utility of Longitudinal Data for Education Research (German Science Foundation, 2018-2019)
• Exploring Synthetic Record Linkage for Administrative Databases (Economic and Social Research Council, National Centre for Research Methods, 2018)
• Combining Probability and Non-Probability Samples to Reduce Survey Errors and Survey Costs: A Proof-of-Concept Study (British Academy / Leverhulme Trust, 2017-2018)
• Feasibility Study Regarding Methodology, Design and Mode of the European Company Survey (Eurofound, subcontractor, 2016-2017)
• Imputation and Record Linkage Strategies for Educational Data Collected from Surveys and Administrative Sources (German Science Foundation, 2015-2018).
• Alternative Approaches to the Analysis of Complex Sample Survey Data: Applying State-of-the-Art Methods to NCSES Surveys (US National Science Foundation 2014-2017)