Final answer:
Participatory evaluation involves engaging non-evaluator stakeholders in the research and evaluation process, and data can come from focus groups, observations, and census data.
Step-by-step explanation:
Participatory evaluation involves engaging non-evaluator stakeholders in the research and evaluation process. Data for a participatory evaluation can come from various sources such as focus groups, observations, and census data. These sources can provide both quantitative data, which includes numerical information, and qualitative data, which includes narrative information. By utilizing a combination of these data collection methods, participatory evaluation allows for a comprehensive understanding of the subject being evaluated.