The Theory of Change forms the backbone of any social impact measurement system. It links the day to day activities in your organisation to your overall mission or long term goals. This is a key step in deciding what you will need to measure.
This paper presents practical experience of implementing impact measurement within an impact investing context. It highlights case studies where investments have carried out evaluations and lessons learnt.
This ILAC Brief argues to look at causality as interventions that are contributory causes to certain results. ToCs show such contributory mechanisms. Combined with other methods, they explain how and why an intervention makes a difference.
This paper identifies six principles for the successful application of a theory-based approach to impact evaluation.