Stranger test
A practical check applied to a lineage map: hand it, with no verbal explanation, to someone unfamiliar with the specific estate and ask them to trace one number back to origin using only the map. Every point where they get stuck is a real defect in the map's clarity.
Defined in 3 GAGE programs, which carry 5 distinct definitions of it. The wording above is taught in AI Data Governance: The Data Chair.
How each discipline defines it
The same term does different work depending on who is using it. These are the definitions as each program teaches them, unedited.
The one-sentence diagnostic this topic uses to check any chapter claim: could a reader who has never met you and does not trust your organization verify this claim without asking a follow-up question. A claim that fails needs a specific artifact, date, or identifier attached.
An informal check for whether a self-assessment is genuinely evidence-based: whether a stranger reading only the written evidence, with no knowledge of the claimed stage, would independently guess the same stage.
The verification method used in Section 7, asking whether someone who was not present for a review can reconstruct what was decided and why using only the written documentation.
A practical check applied to a lineage map: hand it, with no verbal explanation, to someone unfamiliar with the specific estate and ask them to trace one number back to origin using only the map. Every point where they get stuck is a real defect in the map's clarity.
The verification method used in Section 7, asking whether someone who was not present for the drill can run the next real incident using only the assembled plan.
Where it is taught
The exact lessons this term appears in. The first 7 topics of every program are free with a free account.
- The lineage map: your estate's first honest picture of where its data actually comes from · The Estate Survey, AI Data Governance: The Data Chair
- Data governance for the conformity file: your chapter in the document the regulator reads · Lineage Under Audit, AI Data Governance: The Data Chair
Terms it appears with
Not an alphabetical neighbourhood: these are the terms taught in the same lessons, ranked by how often they appear together.