This document provides an overview of participatory research approaches. It defines participatory research as seeking to make research accessible and useful for ordinary people to improve their lives. Participatory research aims to reduce power imbalances between researchers and participants. It originated in developing countries working with oppressed groups and has been influenced by theorists like Paolo Freire who emphasized local knowledge and empowerment. The document discusses different types of participatory research including community-based participatory research and practice research. It also outlines some challenges of participatory research such as developing community partnerships and addressing methodological issues.