Does personality change across the entire life course, and are those changes due to intrinsic maturation or major life experiences? This longitudinal study investigated changes in the mean levels and rank order of the Big Five personality traits in a heterogeneous sample of 14,718 Germans across...

The file BIOBIRTH covers the following information: (1) sum, year of birth and sex of the biological children of a male/female respondent up to the last date of interview (2) Person identifier (KIDPNR(n)) of the children (provided the child can be identified) which corresponds to variable PID in...