Working papers

Here you can search our series of working papers, dating back to 1983. These papers use data from our four cohort studies and cover a wide range of topics, from social inequalities and mobility, to physical health, education and cognitive development. Other papers in the series seek to improve the practice of longitudinal research. At the present time, we are only able to accept papers if at least one author is a member of the CLS research team. Some of the working papers below will subsequently have been published in peer-reviewed journals.

For more information about our working papers series, please email us at clsworkingpapers@ucl.ac.uk.

  • Growing Up in the 2020s study
  • National Child Development Study
  • 1970 British Cohort Study
  • Next Steps
  • Millennium Cohort Study
  • COVID Social Mobility & Opportunities study
  • Children of the 2020s study
  • Early Life Cohort Feasibility Study
  • Ageing
  • Cognition
  • Families
  • Labour markets and skills
  • Mental health
  • Methods
  • Physical health
  • Poverty inequality and social mobility

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Survey methods

Incentives in longitudinal studies – CLS working paper 2020/1

Author: Erica Ryu Wong

This paper reviews the literature on the effects of incentives in longitudinal studies.

Date published: 27 April 2020

Survey methods

New technologies and innovative methods in data collection – CLS working paper 2020/2

Author: Emily Gilbert

This report looks at what major longitudinal studies have already done in terms of collecting data using new technologies and innovative methods, and explores the methodological challenges surrounding innovative data collection.

Date published: 27 April 2020

Survey methods

Mixing modes in longitudinal surveys: an overview – CLS working paper 2020/3

Author: Matt Brown and Lisa Calderwood

This report gives an overview of the most relevant literature and evidence on the use mixed-mode involving web in longitudinal surveys.

Date published: 27 April 2020

Survey methods

New birth cohort study: theoretical sampling design options – CLS working paper 2020/4

Author: Alice Sullivan, Heather Joshi and James Williams

This report sets out the rationale and sampling design options for a new UK birth cohort study, incorporating an accelerated longitudinal design.

Date published: 27 April 2020

Applied statistical methods

A data driven approach to understanding and handling non-response in the Next Steps cohort – CLS working paper 2020/5

Author: Richard J. Silverwood, Lisa Calderwood, Joseph W Sakshaug and George B. Ploubidis

This paper presents a systematic data-driven approach to identify predictors of non-response at wave 8 (age 25-26 years) in Next Steps and demonstrates that including such variables in analyses with principled methods can reduce bias due to missing data.

Date published: 27 April 2020

Applied statistical methods

Improving the plausibility of the missing at random assumption in the 1958 British birth cohort: A pragmatic data driven approach – CLS working paper 2020/6

Author: T. Mostafa, M. Narayanan, B. Pongiglione, B. Dodgeon, A. Goodman, R.J. Silverwood and G.B. Ploubidis

This paper presents a systematic data-driven approach to identify predictors of non-response at each sweep of the 1958 National Child Development Study (NCDS) and demonstrates that including such variables in analyses with principled methods can reduce bias due to missing data.

Date published: 27 April 2020

Housing and local environment

The index of local area relative disadvantage- A cross-country comparison- CLS working paper 2018/3

Author: Anthony Buttaro Jr. & Ludovica Gambaro

This paper proposes a measure of ecological disadvantage– the Index of Local Area Relative Disadvantage (ILARD) – for use in comparative cross-country research on neighbourhood effects.

Date published: 13 August 2018

Child development

The impact of maternal employment on children’s weight: Evidence from the UK- CLS working paper 2018/2

Author: Emla Fitzsimons & Benedetta Pongiglione

In this paper, the researchers examine the effect of maternal employment during childhood on children’s weight.

Date published: 1 March 2018

Child development

Father departure from the household and childhood mental health: how does timing matter?- CLS working paper 2018/1

Author: Emla Fitzsimons & Aase Villadsen

In this working paper, the researchers employed a fixed effects method to estimate the effect of paternal departure from the household on children’s socio-emotional outcomes.

Date published: 1 February 2018

Education

Is the future female? Educational and occupational aspirations of teenage boys and girls in the UK- CLS working paper 2017/17

Author: Lucinda Platt and Sam Parsons

In this paper, the researchers examine the educational expectations and occupational aspirations of contemporary teenagers in the UK, using data from the Millennium Cohort Study age 14 survey.

Date published: 13 December 2017

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