Here you will find all the documentation for our studies. This includes survey questionnaires, interviewer instructions, showcards, technical reports, survey reports, and derived variables. For more information, take a look at our guide to the different documentation types.

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Browse documents by type, study and sweep. Select one or more filters to refine your search and click the search button below.

Document type

National Child Development Study

Next Steps

1970 British Cohort Study

Millennium Cohort Study

Early Life Cohort Feasibility Study

Contact us

Centre for Longitudinal Studies
UCL Social Research Institute

20 Bedford Way
London WC1H 0AL


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