Checklists, with their goal to increase adherence to protocols, are gaining popularity in health care despite some serious limitations. Here I present adherence engineering (AE), a conceptual framework that aims to increase adherence to protocols. AE provides guidance for the development of equipment that supports the successful completion of structured tasks. An example of how AE principles might be implemented is shown in the context of a clinical task in health care. Nonadherence to protocol when performing this task can have severe consequences for patient safety. The application of AE has the potential to improve human performance in a wide range of contexts.
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