New Metrics: User-centered

• 1) Visual Design

  • Speed of performance on benchmark tasks
  • Error rates & recovery patterns
  • Retention & familiarity

• 2) Social Support

  • Capacity to communicate with others
  • Degree of empathy, trust, privacy & security
  • Pace of cooperation & knowledge exchange

• 3) Universal Usability

  • Range of technology supported
  • Diversity of users accommodated
  • Support for novices & experts

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