A5.08

Interruption cost and task resumption

Cards in this group · 6

  1. A5.08.1Interruption timing should be chosen at subtask boundaries
  2. A5.08.2The system should preserve the state and position from before the interruption
  3. A5.08.3A measurable resumption lag exists before performance returns to pre-interruption levels
  4. A5.08.4Resumption cost has two components — re-executing the primary task and remembering the interrupting task — that must be accounted for separately
  5. A5.08.5Self-initiated interruptions have lower resumption cost than externally imposed ones
  6. A5.08.6The more information an interruption shares with the primary task, the more reconstruction work resumption requires