What do we mean by impact? Our response to Simon Hearn’s blog Meaning of impact We read Simon Hearn’s blog with interest. The original article entitled ‘What do we mean by impact’? was posted on the Research to Action website in February 2016. He outlined an interesting problem in that much confusion and ambiguity exists around how we make sense of and use the term ‘impact’ in development programmes. Below we outline our response, in particular, what we