Since the year 2003, SOEP has been systematically adding to its repertoire of survey instruments in the area of early childhood. The present study reports on the instrumental value of a 20-item "mother questionnaire" on the adaptive behavior of their two to three-year-old children (VABS) in the...

With SOEP's 2007 data release, a number of changes and additions have been made in the cross-sectional weighting scheme. They apply to the following:. - - Inclusion of refreshment sample H.. - - Classification of West Berlin as belonging to the "new" federal states (of former East Germany).. - -...