In the past 15 years, SEIPS (Systems Engineering Initiative for Patient Safety)1–3 and related conceptual models4 5 were developed to study and improve healthcare.  These theoretical models depict how work systems affect health-related outcomes, such as patient safety, and can be used to guide research and improvement efforts. Various versions of the SEIPS model have been used by academics and practitioners, but a recent review argued that broader use and benefits can be achieved through ‘an easy-to-use version of the model and simplified tools for model application’.

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