Diagnose: Understand the work before changing it.

AAOS uses this stage to move from a defined question toward reliable, accountable, and scalable work.

Governing question

Map the current workflow, people, inputs, decisions, constraints, and evidence.

What this stage produces

A clear posture and the most important gap.

Use the output

Keep the output concrete enough for the next person to review. The sequence supports learning: use evidence from this stage before moving forward.

Continue the sequence

Review all AAOS stages, compare the workflow with the maturity model, or take the assessment to choose a practical next action.

Use this stage in practice

Bring the current workflow, its owner, and the evidence already available. Ask what must be true before the work can move forward, and record the smallest useful output from this stage. Use that output to guide the next AAOS stage; return to Diagnose when the context changes.

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