This podcast is the third in a series commissioned by the Research Methodology in Education Special Interest Group to showcase the variety of methodologies and methods being undertaken by researchers in education. In this episode, Dr Bukola Oyinloye, co-convenor of the RME SIG is in conversation with Claire Hedges and Tom Power, Co-Investigator and Principal Investigator respectively, of the Mobile Learning for Empowerment of Marginalised Mathematics Educators research project in Bangladesh, also known as 3M Power. 3M Power project is a large-scale EdTech Hub-funded research project on technology enhanced teacher education for marginalised mathematics educators. They discuss an innovative approach to the evaluation of the project, Participatory Ethnographic Evaluation Research or PEER. They highlight the approach’s similarities with and difference from ethnography, what makes it participatory, and the opportunities and challenges the approach offers.