Library / Checklist Principles Framework
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CHK.3:4.1 - Locate an occasion that can change the work

Trace the work around a consequential question. Before which action is the answer useful? When is the subject observable? Is there a natural pause, handover or decision point? Who can supply the answer, and who can use it? FPF A.15.11 helps make an applicable Method noticeable at a real work occasion; the current question is which cue can lead to a useful attainable action.

Choose an interaction mode for the actual question. In read-do, the aid prompts an action and its check during performance. In do-confirm, a capable performer first does familiar work and then confirms selected conditions. A mixed arrangement can fit different questions.

Identify work that must remain viable while the aid is used. Arrange attention, timing and capable contributions so reading or recording does not defeat that work. During a live exercise, one facilitator might sustain participants’ activity while another person investigates a display fault; otherwise pausing the exercise may be the useful choice. Include interruption and a short time window in the trial when those conditions matter.

Name the initiating cue and the response to a missing participant or inaccessible observation. An aid that appears before its subject exists can invite speculation; one that appears after the only useful decision can become documentation alone.