Political role and significance of the European parliament and the Dutch members of the European Parliament. Workload of MP's / role conceptions and views on the rights of the EP / role behaviour in fractions, committees and plenary session / specialisation and voting advice / contacts within European Community ministers, European commission, civil servants, political party, interest groups and citizens / views on influence of relations in European Community / expectations for the future and background characteristics. Background variables: basic characteristics/ education/ politics/ organizational membership