Usability Back

  • Usability(易用性)衡量的是一個系統其使用的容易程度(交互性).
  • 注意與Availability(可用性)區分, 可用性是衡量一個系統其是否可用.
  • 可以通過記錄用戶習慣來提高易用性.


  • example:


1. Support System Initiative(Runtime)

  • Maintain a model of the user: 系統根據用戶度身定制 (調整滾輪速度)
  • Maintain a model of the system: 系統本身提高可用性 (通過Loading來消除卡頓帶來的消極影響)
  • Maintain a model of the task: 系統猜測用戶要完成的任務 (自動設置頭字母大寫)

2. Support User Initiative

  • Cancel: 系統提供取消操作功能
  • Undo: 系統提供撤銷操作功能
  • Aggregate

3. Separate User Interface(Design-time)

  • 業務邏輯與介面設計分開 (MVC)
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