Like many medical studies, the Berlin Aging Study II (BASE-II) is based on a non-random "gconvenience sample" of self-recruited participants. To study processes of selectivity in BASE-II, we used a questionnaire to compare BASE-II with a large, representative reference study, the German...

The Berlin Aging Study II (BASE-II) is a multidisciplinary study that allows for the investigation of how a multitude of health status factors as well as many other social and economic outcomes interplay. The sample consists of 1,600 participants aged 60 to 80, and 600 participants aged 20 to...

This paper provides details on the sampling design, fieldwork, nonresponse, and population adjustments for the 2020 sample M6 of the Socio-Economic Panel (SOEP). Sample M6 refreshes the SOEP core samples M3, M4, and M5, sampling households of refugees who arrived in Germany between January 2013...

This paper provides details on sampling design, fieldwork, nonresponse and population adjustments for the 2020 samples M7 and M8 of the Socio-Economic Panel (SOEP). Sample M7 refreshes the SOEP core sample, especially samples M1 and M2, including households with household heads having a...

This paper details the sampling design, results from the field, analysis of selectivities, as well as raking procedures used in the SOEP-CoV study. The sample consists of a random selection of 12,000 households in the Socio-Economic Panel Study (SOEP). The sample was divided and surveyed in nine...

In autumn 2020, the Robert Koch Institute (RKI) joined forces with the Socio-Economic Panel (SOEP) to launch the study "Living in Germany-Corona Monitoring" on the prevalence of current and past SARS-CoV-2 infections in a sample of the adult population in Germany. The survey began shortly...

Dieses Papier stellt das Stichprobendesign, Ergebnisse der Feldarbeit, Analysen zur Selektivität sowie Informationen zur Randanpassung der Studie Sozio-ökonomische Faktoren und Folgen der Verbreitung des Coronavirus in Deutschland vor. Die Stichprobe setzt sich aus einer zufälligen Auswahl...

Sample R is a refreshment sample of the SOEP-Core. We apply a stratified two-stage sampling design to draw a sample of anchor persons from the population register. We oversample former lignite mining regions (brown coal) all over Germany as well as the younger part of the general population aged...