🤲 Usability §

= how well a user can perform certain tasks with a tool

Attributes §

• Alan Dix 2003
  • 👨‍🏫 Learnability
  • 🪱 Flexibility
  • 🗿 Robustness
• Nielsen
  • ⚡️ Efficiency
  • 👨‍🏫 Learnability
  • Satisfaction (→ 💜 Likeability)
  • Errors
  • Memorability

Why? §

• avoid 💢 Usability Problems
• more commercial & technical success
• increases productivity
• reduces stress

How achieve it? §

→ 👷 Usability Engineering

How to measure it? §

• 📝 Usability Specifications
• 📐 Usability Metrics
• ⚖️ Product Evaluation

🔗 Links

👀 Perceived Usability