The TwinLife data is available free of charge and can be accessed via GESIS after filling in the ➔ Data Use Agreement. The data delivery consists of a certain number of data files in SPSS and Stata format:
All data is provided with English and German variable descriptions. In Stata, these languages are included in one data set while in SPSS, these are separate data files. The data are checked for inconsistencies and adjusted for filter errors (for details see chapter 4).