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"This paper describes the research methods of and participants in the Changing Status, Changing Lives? project. It first explains the choice of research methods and gives an overview of the research design and sampling strategy. This is followed by more detailed explanations of the design of research instruments, access and implementation of interviews with workers and au pairs, and with employers, host families and agencies. The basic characteristics of the migrants, employers, host families and agencies surveyed and interviewed are then presented. The paper concludes with a preliminary assessment of the methodological lessons learned during the course of the project. "