Citizens demand evidence of governments' efforts and achievements in fighting corruption and promoting integrity. But assessing the effectiveness of governments' measures poses specific challenges, in particular the definition of a thorough and objective methodology. The political sensitivity and hidden nature of corruption make this task particularly difficult.This Assessment Framework provides policy makers and managers with a pioneering roadmap to design and organise sound assessments in specific public organisations and sectors. It includes practical checklists, decision-making tools and options for methodologies based on good practices.At a time when governments are increasingly required to assess pro-integrity and corruption prevention measures, this report provides a unique inventory of methods and solutions used world wide for crafting well-designed assessments. Selected case studies give more details on recent assessments in the specific country contexts of Australia, Finland, France and Korea.FURTHER READING : Evaluating Public Participation in Policy Making