In this video, Dr Robert Chambers outlines both the benefits and dangers of using Participatory GIS (PGIS) in development evaluation.
Some of the key points he raises are:
The embedding of a series of questions; the who gains and who loses questions; whose map is it and who keeps it is essential
Some of the dangers discussed were:
PPgis.net. (Producer). (2005). Dr. Robert Chambers elaborates on participatory gis (pgis) practice. [Web Video]. Retrieved from http://www.youtube.com/watch?v=awL1Hpy7spA