“…Some questions or sections of questions, particularly on safety culture and error management, were taken from existing questionnaires that were standardized according to the literature and adapted to the setting in home care services and the main topics of the study. The following questionnaires (excerpts or single questions) were used in a modified form: Fragebogen zur Patientensicherheit und Sicherheitskultur in der Grundversorgung (© Stiftung für Patientensicherheit) (Gehring & Schwappach, 2012, 2014; Gehring et al., 2012; Schwappach et al., 2012); FraSiK (Fragebogen zum Sicherheitsklima in Hausarztpraxen) based on the questionnaire Safety Attitude Questionnaire, ambulatory version (SAQ‐A) (Hoffmann et al., 2009, 2011); Erhebung der Pflegefehler in stationären Versorgungseinrichtungen (Cramer, Foraita, & Habermann, 2012, 2014; Habermann et al., 2013).…”