● Research: User usage habits survey/formulation of usage standards/formulation of UI requirements/analysis of known issues/analysis of related risks/identification of key tasks

● Design: Design usage specifications/packaging/product labeling/Develop training plans and materials

● Evaluation: Expert review, conduct formative testing (develop testing plan/recruit testing participants/execute testing process and report results)

● Validation: Conduct summary testing

● Delivery: Write usability engineering report (basic information/risk level/user interface usage scenario/usability engineering process/interface specification document/risk management/user interface verification and confirmation/traceability/training plan/conclusion) usability engineering documentation package