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

Mit der Pilotstudie „Leben außerhalb Deutschlands“ beschreitet die Längsschnittstudie Sozio-oekonomisches Panel (SOEP) absolutes methodisches Neuland, indem versucht wird, die Adressen ausgewanderter Teilnehmer des deutschen Haushaltspanels SOEP im Ausland zu recherchieren und die...

Throughout adulthood and old age, levels of well-being appear to remain relatively stable. However, evidence is emerging that late in life well-being declines considerably. Using long-term longitudinal data of deceased participants in national samples from Germany, the UK, and the US, we examine...

Lifespan psychological research has long been interested in the contextual embeddedness of individual development. To examine if and how regional factors relate to between-person disparities in the progression of late-life well-being, we applied three-level growth curve models to 24-year...

Self-reported measures of health are generally treated as weak measures of respondents' objective health status. On the other hand, most surveys use self-reported health to measure health status and to determine the effects of a range of other socio-economic characteristics of the local...

A feasibility study concerning the implementation of interviews abroad within the framework of the German Socio-Economic Panel Study (SOEP). With the pilot study "Living outside Germany", the longitudinal German Socio-Economic Panel Study (SOEP) ventures into completely uncharted methodological...

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