title: Methods in psychogeriatric research.
authors.forename: Stephan
authors.initials: S
authors.lastname: Arndt
mesh_terms: D000368:Aged; D003072:Cognition Disorders / Q000175:diagnosis / Q000523:psychology; D005852:Geriatric Psychiatry / Q000379:methods*; D006801:Humans; D009483:Neuropsychological Tests / Q000706:statistics & numerical data; D011594:Psychometrics / Q000379:methods; D012107:Research Design