Trend study on changes in general opinions, values and beliefs and attitudes of the Dutch population. The survey contains variables from the International Social Survey Programme. Work / leisure / religion / religious issues / religion parents / church attendance / politics / political activities / satisfaction with current politics / relation politics and religion / most important issues in the Netherlands / crime and punishment / role of elderly in society / abortion / unwed mothers / environmental issues / happiness / trust of r. in several aspects of society / worries about money, health, politics, family, the future / opinions on, and satisfaction with: income, social security, welfare / role of husband and wife in family / trust in science / volunteer work Background variables: basic characteristics / household characteristics / occupation/employment / income / education / organizational membership. The data- and documentation files of this dataset can be downloaded via the option Data Files.