Expert Triangulation
Updated 2026-08-10
INTRODUCTION
English translation pending.
CORE DEFINITION
A validation method that cross-checks the same question against several experts, methods, or data sources, borrowing the surveying technique of locating a point by measuring from more than one reference. Its core proposition is that any single source carries a systematic bias that cannot be detected from within it, while independent sources produce errors that diverge and can be compared, so disagreement is informative rather than a problem. The qualifier is that the sources must be genuinely independent.
SCAFFOLDING EFFECT
Reduce cognitive load
- Source selection: choose experts or data sources whose backgrounds and methods actually differ. - Independent collection: gather each judgment separately before exposing any expert to the others. - Divergence analysis: treat the disagreement as the real signal and investigate what produces it.
Anchor fast decisions
A single source cannot reveal its own distortion, because everything it reports is filtered through the same assumptions. Comparing independent sources makes those assumptions visible as divergence, and where they agree the agreement is informative precisely because the sources had different ways of being wrong.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Triangulation_(social_scienceverified
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