"This Praxis Paper offers a brief overview of current thinking and practice in relation to the impact assessment of organisational capacity building interventions. The paper highlights some of the conceptual, methodological and practical challenges (issues of clarity, power and culture, among others ... ) and then goes on to provide an overview of some of the practical approaches that have been adopted by NGOs and CSOs to overcome these challenges. It is a thought piece designed to engage practitioners (particularly those from developing and transitional countries) in a fruitful debate." (Executive summary) more