Often one of the most difficult aspects of launching a new project is figuring out how to measure its impact effectively. The Activate! Leadership for Public Innovation programme has an opportunity to do ground-breaking work in measuring the impact of its leadership development intervention and the policy implications that it might hold. It is a difficult task – the evaluation aims to assess whether it is possible to effect change by tackling people’s deep internal drivers – their risk appetite, levels of social trust or tendency to discount future benefits for immediate gain. In this learning brief Activate! share their thinking in terms of the evaluation design as well as early findings of an initial quasi-experimental study. Read it here.