title: [What you always wanted to know about questionnaires: interview by Uwe Berger].
authors.forename: Elmar
authors.initials: E
authors.lastname: Brähler
mesh_terms: D000369:Aged, 80 and over; D006801:Humans; D010556:Personality Tests / Q000706:statistics & numerical data; D011237:Predictive Value of Tests; D011379:Prognosis; D012015:Reference Standards; D015203:Reproducibility of Results; D011795:Surveys and Questionnaires