2. Comparison of participatory and questionnaire surveys

	Participatory survey (PRA, RRA)	Questionnaire survey
Duration	Short (at least a few days)	Long (up to 1 year)
Role of local stakeholders	Participation as a partner in the field survey (active participation)	Response to the questionnaire as target people (passive participation)
Survey method	Semi-structured interview, visual tools (such as calendar and map)	Data collection and interview using a questionnaire
Sampling method	Selection of target persons according to the purpose of the survey	Random sampling based on statistics
Analysis procedure	Analysis and confirmation through discussions with stakeholders at the survey site	Analysis by the survey team after collecting the result of questionnaire