PRA (participatory rural appraisal) and the more inclusive PLA (participatory learning and action) are families of participatory practices which have evolved. During the 1990s and 2000s PRA/PLA spread and was applied in most countries in the world. The multifarious domains of application include natural resource management, agriculture, programmes for equity, empowerment, rights and security, community-level planning and action and participatory statistics. Related participatory methodologies which have co-evolved, shared and spread widely as movements include farmer participatory research, integrated pest management, ...
PRA, PLA and Pluralism: Practice and Theory