Generally speaking, Participatory methodologies (PMs) refer to a wide variety of activities whose main purpose is to help ordinary people to play a more pivotal role in decisions influencing their lives and the community to which they belong. By referring you to the following links on the current proposals regarding the issue with a major focus on Latin America, I hope to provide you with some of the related literature.
Higginbottom, A. (2008) "Solidarity Action Research as Methodology: The Crimes of the Powerful in Colombia". Latin American Perspectives, Vol. 35, No. 5, Violence: Power, Force, and Social Transformation, pp. 158-170.