Documentation

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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User guides

Handling missing data in the CLS cohort studies – User Guide

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.


Date published: 3 June 2024
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User guides

BCS70 Age 16 Survey Leisure and Television Diaries User Guide


Date published: 1 April 2022
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User guides

BCS70 Age 16 Dietary Diaries User Guide

Guide to the Age 16 Dietary Diaries for BCS70.


Date published: 1 May 2020
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User guides

BCS70 Age 34 User Guide

User guide to the dataset for the age 34 sweep of BCS70


Date published: 22 April 2020
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User guides

BCS70 Activity Histories (1986-2013) Guide


Date published: 1 July 2017
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User guides

BCS70 Partnership Histories (1986-2013) Guide


Date published: 1 October 2016
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User guides

BCS70 Age 5 Developmental Histories User Guide

User Guide to the BCS Developmental History Data


Date published: 1 July 2014
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Derived variables

BCS70 Age 5 Sweep Derived Variables

A description of the derived variables in the age 5 sweep of the 1970 British Cohort Study


Date published: 1 February 2013
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User guides

BCS70 Age 34 Adult Literacy and Numeracy Assessment Data

Assessment of Literacy and Numeracy data collected between ages 21 and 34


Date published: 1 August 2012
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Survey reports

BCS70 Age 16 Guide to the Arithmetic Test

This document provides a brief guide to the data deriving from an arithmetic test administered to the subjects of the 1970 British Cohort Study


Date published: 1 May 2011
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User guides

BCS70 Age 38 User Guide

Guide to the dataset for the BCS70 age 38 survey


Date published: 1 August 2010
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User guides

BCS70 Age 34 Guide to Child Paper Questionnaires

Guide to questionnaires administered based on child age and how they differ in design


Date published: 1 November 2006
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Contact us

Centre for Longitudinal Studies
UCL Social Research Institute

20 Bedford Way
London WC1H 0AL

Email: clsdata@ucl.ac.uk

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