Wiki

• Safety: Reducing the risk of injury and death
• Performance: Increasing productivity, quality, and efficiency
• Satisfaction: Increasing acceptance, comfort, and well-being

Task analysis is a broad term that encompasses many other techniques such as use cases, user stories, and user journeys. All of these techniques focus on understanding

• Why - users’ goals and motivations
• What - the tasks and subtasks to achieve these goals
• When - the ordering and timing of these tasks
• Where - and the location and situation