Program evaluation in aboriginal communities requires a participatory approach that recognizes the importance of culture and promotes mutual learning. Despite the articulation of principles and models that support this approach, the implementation of evaluation studies often reflects a more conventional model stressing the role of the expert and a deductive approach to knowledge development. The evaluation research project summarized in this article was designed and implemented to develop culturally appropriate child and family service standards in First Nations communities using a community-based participatory research model. Process and outcome benefits were achieved by utilizing multiple focus group interviews in the first phase and adapting these strategies in a combined feedback and consultation phase following preliminary data analysis.