News and opinion

Welcome to our news and blogs.  Here you’ll find the latest developments and insights from across our four longitudinal studies.

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Why do participants consent to data linkage?

27 May 2015

Almost 80 per cent of Millennium Cohort Study (MCS) parents regularly consented to allow health records of their children to be linked to survey results.

Children’s time-use diaries: promoting research, sharing best practice and evaluating innovations in data collection internationally

31 March 2014

This research project aimed to optimise the design and coverage of the MCS age 14 time-use diary so as to maximise benefit to the research community and minimise non-response due to respondent burden.


How can we ensure the accuracy of children’s survey responses?

3 December 2013

New research from the Centre for Longitudinal Studies (CLS) has tested how children’s responses to surveys are affected by the way the questions are asked.


Encouraging respondents to book their own interview appointments could reduce survey costs, study finds

6 September 2013

Encouraging respondents to contact an interviewer to book their own interview appointment could reduce the cost of longitudinal surveys, new research from the Centre for Longitudinal Studies (CLS) suggests. CLS researchers conducted an experiment to test the effectiveness of encouraging survey participants to become ‘early-birds’ by booking an appointment with their interviewer on a date that […]

Linking cohort study data to administrative records: the challenges of consent and coverage

1 April 2013

Using linked data from the Millennium Cohort Study (MCS), this research project examined patterns of non-consent and non-coverage, and identifies weighting and imputation techniques that can adjust for biases.


CLS tests new methods of collecting DNA samples from children

28 March 2013

New methods of collecting DNA using saliva samples could help enhance cohort datasets with valuable biological information, a new study suggests. Researchers at the Institute of Education‘s Centre for Longitudinal Studies (CLS) and Ipsos MORI tested the viability of collecting saliva from 11-year-olds and their natural mothers and fathers. They found that most children and […]


Impact of the digital age on social research: CLS shares expertise at SRA Conference 2012

11 December 2012

Social media and web surveys have a valid use in large-scale longitudinal studies, argues Lisa Calderwood, Senior Survey Manager at the Centre for Longitudinal Studies (CLS).


CLS chairs debate on the pros and cons of mixing modes in longitudinal surveys

26 November 2012

Should large-scale longitudinal surveys – like the cohort studies – embrace web-based tools alongside more traditional methods of data collection?


Age 42 survey of the 1970 British Cohort Study begins

1 May 2012

The Age 42 survey of the 1970 British Cohort Study has now begun. Over the course of the year we hope to speak to more than 9,000 study members for the 9th time.


Does how you measure income make a difference to measuring poverty?

17 January 2011

A new CLS Working Paper examines the implications different methods of collecting and reporting income may have for measuring poverty, by reference to the Millennium Cohort Study income data.


Locating Mobile Families

2 November 2010

Lisa Calderwood’s new CLS Working Paper looks at how successful we’ve been in locating families who move between successive MCS surveys.


MCS4 User’s Guide to Initial Findings published

16 October 2010

The Millennium Cohort Study, Fourth Survey: A User’s Guide to Initial Findings has now been published (15 October 2010).

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Phone: 020 7612 6516

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