This study describes the first wave of the IAB-BiB/FReDA-BAMF-SOEP Survey on Ukrainian
Refugees in Germany, a unique panel dataset based on over 11,000 interviews conducted …

Der russische Angriffskrieg auf die Ukraine hat die größte Fluchtbewegung in Europa seit
Ende des Zweiten Weltkriegs ausgelöst. Seit Kriegsbeginn sind mehr als eine Million …

During the COVID-19 pandemic, many survey programs switched to self-administered
modes of data collection, often offering respondents both web-based and paper-based …

Established face-to-face surveys encounter increasing pressures to move online. Such a
mode switch is accompanied with methodological challenges, including the need to shorten …

Online surveys are becoming the dominant form for survey data collection. This presents a
problem for the measurement of political knowledge, because, according to recent …

A major objective for longitudinal studies is retaining participants over time. The Millennium
Cohort Study (MCS) is the largest on-going nationally representative study of young people …

Background The panel infrastructure Health in Germany, which is currently being set up, is
geared towards the needs of public health research in Germany. The panel will consist of …

All computer code used for this paper and a documentation are available as supplementary
material for replication purposes [4]. The data can be accessed via the GESIS Leibniz …

We investigate panel conditioning effects in a long-running probability-based online panel of
the general population through a large-scale experiment conducted in 2020. Our experiment …

The literature on the effects of incentives in survey research is vast and covers a diversity of
survey modes. The mode of probability-based online panels, however, is still young and so …