A10.02

Mode errors

Cards in this group · 9

  1. A10.02.1A mode is a state where the same action produces different outcomes
  2. A10.02.2Mode errors come from a mismatch between the user's and the system's judgment of the current mode
  3. A10.02.3The mode indicator belongs at the point of visual focus, not a status bar or corner
  4. A10.02.4A quasimode is sustained by continuous physical actuation and exits on release
  5. A10.02.5Modeless design assigns meaning through different actions instead of relying on state
  6. A10.02.6A mode can auto-revert after an idle timeout
  7. A10.02.7How explicit a mode switch needs to be should match its consequences
  8. A10.02.8Common sources of hidden modes — Caps Lock, IME state, edit vs. browse mode
  9. A10.02.9The consequences of a mode error must be recoverable