Zusammenfassung: Aim:To assess validity and reliability of the German version of the Individualized Care Scale (ICS).Background:Individualized nursing care plays a pivotal role in establishing patient-centered care. To assess individualized nursing care and to compare it in different settings and countries, valid and reliable instruments are needed. No psychometric-tested instrument for comparing individualized nursing care with other countries is available in Germany.Design:Cross-sectional study.Methods:Data were collected between September 2013 and June 2014 from 606 patients in 20 wards in five hospitals across Germany.