title: Testing questionnaires with cognitive methods: Part I, Probing questions.
authors.affiliation: Medical Sociology Unit, Hannover Medical School. geyer.siegfried@mh-hannover.de
authors.forename: Siegfried
authors.initials: S
authors.lastname: Geyer
mesh_terms: D001290:Attitude; D032882:Comprehension; D003210:Concept Formation; D005069:Evaluation Studies as Topic; D005858:Germany; D006306:Health Surveys; D006801:Humans; D011939:Mental Recall; D012660:Semantics