Human Systems Integration (HSI) (glossary)
An interdisciplinary technical and management process for integrating human considerations with and across all system elements, an essential enabler to systems engineering practice. (ISO/IEC/IEEE 2011)
ISO/IEC/IEEE. 2011. Systems and software engineering - Requirements engineering. Geneva, Switzerland: International Organization for Standardization (ISO) / International Electrotechnical Commission / Institute of Electrical and Electronics Engineers (IEEE), (IEC), ISO/IEC/IEEE 29148:2011, 4.1.11.