Educational technology is the integration of the science of education with the advances in technologies like information and communication to address fundamental issues of teaching and learning. The present study was conducted in the Barpeta district of Assam with the objectives to develop participatory videos on mushroom and vermicompost production technologies and assess the performance of digital videos as extension teaching aid in terms of comprehensiveness, usefulness and degree of convincing. The study also assessed the constraints faced by both technical and resource persons in preparation and use of digital videos as teaching aid. Digital videos were prepared on mushroom and vermicompost production technologies with the active participation of the master trainers. | Participatory digital video for extension teaching
