Lifespan research has long been interested in how contexts shape individual development. Using the separation and later reunification of Germany as a kind of natural experiment we examine whether and how living and dying in the former East or West German context has differentially shaped late-life development of well-being. We apply multi-level…

In this study an attempt was made to obtain a developmental dimension for estimating longitudinal development on the basis of cross-sectional data. To check the validity of this approach, the cross-sectional data were compared with true longitudinal data. Forty-three public school children were given a series of conservation tasks in four…