• Stories or numbers OR stories and numbers

    Numbers, argues Professor Trish Greenhalgh, are no more ‘factual’ than stories. The dichotomy between numbers and stories is false, writes Greenhalgh, instead we should recognise that both can be selected and moulded with the aim of...
  • What drives evidence systems?

      What is the beating heart of a healthy evidence ecosystem? Professor Jonathan Shepherd finds that systems work best when practitioner vocation to improve services coalesces with the capacity to test solutions in rigorous experiments. This...