“…In order to explore these questions, the research goal was reframed as an analysis of the formal and informal inter-organizational structures in the establishment of partnership and decision making regarding evaluation. Based on an earlier study (Laperrière and Zúñiga, 2006), the starting point was therefore the need to identify the actors involved (users, staff, administrators, public-health agents, coalition, others) and to make visible the power relations and vertical control influences in their relations.…”