Services
Services
We group the work into six families of method. Most engagements draw on more than one, and each is available as a standalone piece of work or as the first phase of something larger.
Programme and service evaluation
What a programme achieves under real delivery conditions, from the records a service already holds.
Survey design and analysis
Sampling, weighting and non-response, and estimates that carry the design through to the standard errors.
Regression and multilevel modelling
The general workhorse: relationships between variables, estimated in a form that survives a sceptical read.
Panel and longitudinal analysis
Repeated measurements on the same people, and the change within them rather than the difference between them.
Survival and time-to-event analysis
Not whether something happened but when, with the people it has not happened to yet still in the analysis.
Study and experimental design
What to measure and how, agreed and dated before the data exists, because most later problems are created here.
Discuss a piece of work
Describe the programme, the data and the deadline, and we will say what is feasible.