Self-reported criminal activities of Dutch youth aged between 12 and 17 and related values and beliefs, opinions and behaviour. school-motivation / nationality of parents / ( sideline ) job / job satisfaction / unemployment / value orientation and goals in life: importance of marriage, family life, self-realization, social behaviour, career / attitudes towards politics, foreigners, emancipation, sex, law and order / conventionalism / altruism / individualism / hedonism / criminal activities : dodging fares of public transportation, shoplifting, vandalism, graffiti, bicycle theft, threatening with knife or other arms, arson, physical violence, burglary, fencing / alternative punishment / smoking behaviour / use of soft drugs. Background variables: basic characteristics/ residence/ household characteristics/ characteristics of parental family/household/ occupation/employment/ education