Origin of Dutch communes, and ( changes in ) composition, domestic and relational structure during a period of four years. Group questionnaire composition of the commune / whether house is rented or owned / internal arrangements of the house / money / domestic work / group-activities / individual questionnaire: period lived in commune( s ) / living with partner and-or children in commune / private rooms / domestic duties / frequency of contact with other commune-members / contentment, conflicts and expectations. Background variables: basic characteristics/ income/capital assets/ education/ politics