Our studies
Here you will find all the documentation for our four 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.
This user guide aims to describe and illustrate a straightforward approach to missing data handling, while detailing some more general considerations around missing data along the way.
User Guide to the Age 44 Biomedical Sweep of NCDS
Guide to additional variables deposited for NCDS PMS in 2014
Review of the ethical practices throughout NCDS
This document draws together information available on the key measures of ability that were gathered from members of the National Child Development Study (NCDS) during the three surveys carried out during the school years of the birth cohort.
A guide to the partnership histories dataset collected from age 23 onwards
This Data Note explains the derivation of variables on Highest Educational Qualification obtained by cohort members in the National Child Development Study (NCDS) and the 1970 British Cohort Study (BCS70).
Paper representation of the Age 44 Biomedical questionnaire
Table of target and actual sweep samples for NCDS up to age 50
Find the latest developments and insights from across all our longitudinal studies.
Our bibliography is a searchable database of published work based on our cohort studies. Search by keyword, author, date range and journal.
Data from our studies are mainly available through the UK Data Service. We run training to support researchers who are interested in using our studies in their work.
Centre for Longitudinal Studies
UCL Social Research Institute
20 Bedford Way
London WC1H 0AL
Email: clsdata@ucl.ac.uk
