research
preferred label: forskning @sv
preferred label: tutkimus @fi
type: Concept
narrower: questionnaire study

questionnaire study
preferred label: enkätundersökning @sv
preferred label: kyselytutkimus @fi
related: opinion polls
related: interview study
broader: research
type: Concept
in scheme: conceptscheme

interview study
preferred label: intervjuundersökning @sv
preferred label: haastattelututkimus @fi
type: Concept
related: questionnaire study

opinion polls
preferred label: opinionsundersökning @sv
preferred label: mielipidetutkimus @fi
type: Concept
related: questionnaire study