Why do we spend so much time and money on gathering data we never use? Why can't we always find the data we need to make good decisions? Christina Synowiec from Results for Development talks about Getting Rigor Right, and article she co-authored on deciding how rigorous data needs to be based on the decision you are trying to make. Sometimes you need quick, indicative data. Sometimes you need people's voices. (Often you need both). You always need data, but only sometimes do you need the most rigorous data to make a good decision.