Technical reports

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BCS 2004 Technical Report

Author:   Nadine Simmonds, Elizabeth Fuller, Carli Lessof & Vanessa Foudouli

Description:  The Technical Report prepared by the National Centre for Social Research (NatCen) on the BCS70 2004/5 follow-up.

Date published:   31/07/2007

Date posted:   17/08/2007

BCS 2004 Technical Report Appendix A - Fieldwork Documents

Author:   Nadine Simmonds, Elizabeth Fuller, Carli Lessof & Vanessa Foudouli

Description:  This appendix contains copies of all the fieldwork documents including letters to cohort members, project instructions, ARFs, calendars and questionnaires.

Date published:   31/07/2007

Date posted:   17/08/2007

BCS 2004 Technical Report Appendix B - Questionnaire Documentation

Author:   Nadine Simmonds, Elizabeth Fuller, Carli Lessof & Vanessa Foudouli

Description:  This Appendix contains the CAPI documentation used in the BCS70 2004/5 follow-up.

Date published:   31/07/2007

Date posted:   17/08/2007

BCS 2004 Technical Report Appendix C - Coding and Editing Instructions

Author:   Nadine Simmonds, Elizabeth Fuller, Carli Lessof & Vanessa Foudouli

Description:  This appendix contains the Coding and Editing Instructions for the BCS70 2004/5 follow-up, including the ICD-10 coding applied to questions on health and health-related behaviour.

Date published:   31/07/2007

Date posted:   17/08/2007

Changes in the NCDS and BCS70 Populations and Samples over Time

Author:   Ian Plewis, Lisa Calderwood, Denise Hawkes, Gad Nathan

Description:  National Child Development Study and 1970 British Cohort Study Technical Report: This document is the first edition of what is intended to be an expanding account of the NCDS and BCS70 populations and samples as they change over time. The second edition will update the material presented here to include the two sweeps (NCDS, sweep 7 and BCS70, sweep 6) currently in the field. This edition covers the complete sweeps of NCDS up to sweep 6 (when the cohort members were age 42 in the year 2000) and BCS70 up to sweep 5 (when the cohort members were age 30 in the year 2000). It does not, however, yet include any material on studies of sub-samples of the two cohorts nor about the NCDS sample of children of the cohort members. Response data files for the two studies, containing survey outcome codes for each cohort member at each sweep, were used to construct the tables in this report. These files have been deposited at the UK Data Archive.

Date published:   01/10/2004

Date posted:   03/05/2005

Geographical data and the CLS cohort studies

Author:   SHEPHERD, P

Description:  

This document outlines information on different geographies available for the National Child Development Study (NCDS), the 1970 British Cohort Study (BCS70) and the Millennium Cohort Study, which might be used for the study of, for example, migration histories; and national, regional and other differences.

Date published:   14/06/2012

Date posted:   14/06/2012

MCS - Technical Report on Response (Second Edition)

Author:   Sosthenes C. Ketende

Description:  This is the second edition of a report on response in the Millennium Cohort Study as it progresses from sweep 2 onwards. This edition includes material on sweep 2 and 3 and covers the evolution of the population and sample after sweep 1, allowing for the families who were included in the study for the first time at sweep 2. It presents response rates for sweeps 2 and 3. It also covers the correlates of different types of unit non-response at sweep 3, and gives references to published articles detailing correlates of different types of non-response at sweep 2. This report does not cover item non-response, because response is very high in nearly all items except income. Family income missing data and new derived variables will be covered in a separate Technical Report. Section 1 to 4 covers material in the first edition of this series with minor changes mainly typo corrections and section 5 to 8 covers the new materials.

Date published:   30/11/2008

Date posted:   13/05/2009

MCS - Technical Report on Response (Third Edition)

Author:   Ketende, S. C. with contributions from McDonald, J., Joshi, H., Calderwood, L. and the MCS team.

Description:  

This is the third edition of the technical report on response in the Millennium Cohort Study as it progresses from sweep 4 onwards. This edition includes material on sweep 2, 3 and 4 and covers the evolution of the population and sample after sweep 1, allowing for the families who were included in the study for the first time at sweep 2. It presents response rates for sweeps 2, 3 and 4. It also covers the correlates of different types of unit non-response at sweep 3 and 4, and gives references to published articles detailing correlates of different types of non-response at sweep 2. This report does not cover item non-response, because response is very high in nearly all items except income. Family income missing data and new derived variables will be covered in a separate paper. Sections 1 to 8 covers material in the first and second edition of this series with minor changes mainly typo corrections. Sections 9 to 12 covers the new materials. 

Date published:   01/06/2010

Date posted:   25/03/2013

MCS - Technical Report on Response in Sweep 5 (Age 11)

Author:   MOSTAFA, T.

Description:  

This report explores attrition in sweep 5 (age 11) of MCS and presents the
procedures used in the construction of the sweep 5 unit non-response weights.

Date published:   10/04/2014

Date posted:   10/04/2014