Die Menschen in Deutschland sind heute im Durchschnitt zufriedener als zu jedem anderen Zeitpunkt nach der Wiedervereinigung. In Ostdeutschland liegt das Niveau der Zufriedenheit jedoch auch mehr als 20 Jahre nach der Wiederbereinigung noch unter dem westdeutschen Niveau. Das zeigen die...

In this paper we discuss the rationale for tracing non-original sample members (Non-OSMs) in household panel studies, and in particular in SOEP, and the implications for weighting. We present results on the incidence, survival rates, and thus the relevance of Non-OSMs in the SOEP

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...

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,...