Documentation

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.

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User guides

Partnership Histories Guide (1974-2013)


Date published: 1 November 2017
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User guides

Activity Histories Guide (1974-2013)


Date published: 1 October 2016
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User guides

NCDS Birth-Age 55 Response and Deaths Dataset User Guide

This document accompanies the deposit of the NCDS Response and Deaths dataset at the UK Data Service in March 2015.


Date published: 1 March 2015
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User guides

NCDS Age 55 Survey User Guide

User Guide for the 2013 follow-up to NCDS when participants were age 55


Date published: 1 February 2015
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Data notes

Is there scope for harmonisation of the National Child Development Study and the English Longitudinal Study of Ageing?

This report explores the potential in harmonising elements of a prospective birth cohort study (NCDS) and a panel study of older people that includes a retrospective life history module (ELSA).


Date published: 1 July 2014
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User guides

NCDS Perinatal Mortality Survey User Guide: Additional Variables

Guide to additional variables deposited for NCDS PMS in 2014


Date published: 1 July 2014
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Technical reports

NCDS Age 55 Technical Report

Technical Report for the Age 55 sweep of NCDS


Date published: 1 May 2014
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Questionnaires and interviewer instructions

NCDS Age 55 Questionnaire Documentation

Paper representation of the CATI and CAWI interviews conducted for the age 55 sweep of NCDS


Date published: 1 May 2013
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User guides

NCDS Age 7-11 Bristol Social Adjustment Guides

This document draws together information available on the Bristol Social Adjustment Guides (BSAG) – key measures of behaviour that were gathered for members of the National Child Development Study.


Date published: 1 January 2013
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User guides

NCDS Age 7-16 Measures of Ability

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.


Date published: 1 December 2012
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Ethical review and consent

NCDS Ethical Review and Consent

Review of the ethical practices throughout NCDS


Date published: 1 November 2012
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User guides

NCDS Age 50 Guide to the Dataset

Final version of the dataset userguide for NCDS age 50 sweep


Date published: 1 October 2012
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Contact us

Centre for Longitudinal Studies
UCL Institute of Education

20 Bedford Way
London WC1H 0AL

Email: clsfeedback@ucl.ac.uk