This paper by Adinda Van Hemelrijck and Irene Guijt explores how impact evaluation can live up to standards broader  than statistical rigour in ways that address challenges of complexity and enable stakeholders to engage  meaningfully. A Participatory Impact Assessment and Learning.

Approach (PIALA) was piloted to assess and debate the impacts on rural poverty of two government programmes  in Vietnam and Ghana funded by the International Fund for Agricultural Development (IFAD).