title: [Nursing performance should be turned inwards].
authors.affiliation: SBK-Geschäftsstelle.
authors.forename: Lucien
authors.initials: L
authors.lastname: Portenier
authors.forename: Dieter
authors.initials: D
authors.lastname: Baumberger
authors.forename: Markus
authors.initials: M
authors.lastname: Wittwer
mesh_terms: D004650:Employee Performance Appraisal / Q000592:standards*; D006801:Humans; D009741:Nursing Staff, Hospital / Q000523:psychology*; D012649:Self Concept