title: [Is it justified to combine scales to global scales?].
authors.affiliation: Abteilung für Medizinische Psychologie und Medizinische Soziologie, Universitätsklinikum Leipzig.
authors.forename: Andreas
authors.initials: A
authors.lastname: Hinz
authors.forename: Elmar
authors.initials: E
authors.lastname: Brähler
mesh_terms: D006801:Humans; D010555:Personality Inventory / Q000706:statistics & numerical data*; D011594:Psychometrics / Q000706:statistics & numerical data*; D011788:Quality of Life / Q000523:psychology; D015203:Reproducibility of Results; D013223:Statistics as Topic; D011795:Surveys and Questionnaires