The paper uses the Offenders' Social Reintegration Project, run between 1988 and 1998 by the Aristotle University of Thessaloniki, Greece, to discuss the characteristics of new forms of action research and to reflect on the main debates within action research literature. Firstly, new forms of action research dealing with community issues tend to take place within complex systems, aiming to bring potential partners together and to facilitate the development of networks of organisations. Networking presupposes a more open-ended mode of research and opens the question of participation of the social groups concerned. The varying and changing degrees of participation within the Project are described with reference to the role of the researchers ...