The last decade has seen some significant changes in international development and in the status of non-governmental organisations operating in the field. Not only has the number of NGOs virtually doubled; many of them have seen a considerable growth in their budgets, and have grown closer to governments and official aid agencies. NGOs are acknowledged by many to be more effective agents of development than governments or commercial interests ? even as a ?magic bullet? for development problems.Despite these positive trends, the real impact of the NGO sector is not well documented. This is partly because NGO performance-assessment and accountability methods are weak, and partly because NGOs are caught up increasingly in the world of official aid, which pushes them towards certain forms of evaluation at the expense of others. This unique book takes a hard and critical look at these issues, and describes how NGOs can, and must, improve the way they measure and account for their performance if they are to be truly effective.