Topic module

Investigation Evidence, Actions and Learning

Planning a proportionate investigation, testing evidence, selecting systemic actions and communicating lessons.

Long-form learning

Concept to Risk to Memory to Check-up

Move from management ownership to a specific workplace risk assessment, proportionate control, investigation and evidence-led improvement.

Core concepts

Concept 1

Investigation depth should be proportionate to actual and potential consequence and learning value.

Exam cue: Compare independent evidence instead of relying on one account.

Concept 2

Evidence comes from people, physical conditions, records, data and the sequence of events.

Exam cue: Choose actions that strengthen or restore failed barriers.

Concept 3

Corrective actions should address causes, be owned, verified and shared where similar risk exists.

Risk pitfalls and guardrails

Collecting statements to confirm a preferred theory.

Guardrail: Do not replace a design, engineering or organisational control with paperwork, a warning or PPE alone.

Closing an action when assigned rather than when effective.

Guardrail: Do not replace a design, engineering or organisational control with paperwork, a warning or PPE alone.

Memory anchors

Proportion to Potential

A near miss with severe potential can justify deep investigation.

People Place Paper Data

Use multiple evidence sources.

Timeline Finds Gaps

Sequence events, decisions and barrier failures.

Action Matches Cause

Correct the system weakness rather than only reminding the worker.

Verify and Share

Check effectiveness and apply learning wherever the risk repeats.

Checkpoint rule

Do the check-up only after you can summarize each concept in one sentence and identify one dangerous pitfall from memory.

Knowledge Check (after reading)

Short check-up to confirm understanding of this module.

1-2 question checkpoint

Next step personalized recommendations

Move forward only after this module is stable.

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