ISO 9241-210: Human-Centered Design

Reasons for Human-Centered Design

  • Increase productivity
  • Reduce training and support costs
  • Increase accessibility
  • Improve the user experience
  • Reduce discomfort and stress
  • Provide competitive advantage

Principles of Human-Centered Design

  • Understand users, tasks, and environments
  • Involve users in design and development
  • Refine design with user-centered evaluation
  • Use an interative process
  • Address the entire user experience
  • Include multidisciplinary skills and perspectives on the team

Skills Needed in Design

  • Human factors, ergonomics
  • Users
  • Application domain expertise
  • Marketing, tech support
  • Technical writing
  • Business analysis
  • Systems engineering

Design Principles

  • Suitable for the task
  • Self-descriptive (the user knows what's happening)
  • Conforms with user expectations
  • Users can learn the system
  • Sustainability
  • Error tolerance
  • Individualization

User Centered Evaluation

  • User testing
  • Checking conformance with usability and accessibility guidelines
  • Long term monitoring


  • Economic - make sure that design is cost-effective
  • Social - Enhance well-being of users, including those with disabilities