Hans Wants to Study a Local Environmental Activist Group That

Hans wants to study a local environmental activist group that holds e-waste recycling events at city hall every month. Hans believes that the participants have a unique perspective to contribute and designs a project that takes a collaborative approach. The activists explain to Hans the complexity of scheduling the e-waste clinics and the political relationships involved. They suggest that Hans not just observe the interactions at the clinics but also participate in the planning process to observe these dynamics. He takes account of these suggestions and adjusts his research design to include observation of the additional planning activities. By designing his project in this manner, Hans is sharing control of the study with the environmental activists he is studying. The term used to describe Hans' approach is ________.

A) community-based research
B) ethnography
C) hierarchy of credibility
D) interviewer bias