Individual data social career / personal contacts / sexual contacts / motivations to live in commune / group life / opinions about having children / how did r. become member of commune ( recruitment process ) / experiences / disappointments / private relations before commune / attitude to sex and marriage / subgroup formation / satisfaction / collective activities / attitude to relations / the effects of commune life on other activities and relations / group data basic characteristics, process of group formation, leadership, children, household duties / conflicts / evaluations / activities / arrangements / housing / finances / ideology. Background variables: basic characteristics/ residence/ housing situation/ household characteristics/ characteristics of parental family/household/ occupation/employment/ education/ religion