Non-randomised & Quasi-experimental Designs

Quantifying Impact Series: Evaluation Using Observational Data

The Centre for Evaluation, supported by the Centre for Statistical Methodology, hosted a series of lunchtime seminars introducing methodological approaches beyond stratification and regression to address confounding in quasi-experimental or non-randomised designs. Each session described some examples as well as discussing the advantages and disadvantages over more commonly used methods. Seminars in this series: Seminar 1: […]

‘On The Buses’ Study – A mixed-method evaluation of the impact of free bus travel for young people on the public health

The On The Buses study aimed to evaluate the impact of the introduction in London of free bus and tram travel for 12-16 year olds in 2005 and for under-18 year olds in 2006 using a mixed method, quasi-experimental design.  On The Buses Publications