[Validation of a questionnaire to assess patient safety culture in healthcare managers: Psychometric properties and usability].

In this work, a reduced and adapted version of questionnaire of Giménez-Aibar-Gutiérrez was validated at distinct location (Madrid region). Psychometric properties and usability, which were found, suggest that the reduced questionnaire is a reliable, valid and usable instrument to assess patient safety culture in managers of any place.