Proof

Accuracy is published, including where it falls short.

Echofolk is decision support, not an oracle. Validation, confidence, archetype-level reasons and failure modes should sit beside every headline result.

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Question answered

What is the expected outcome, given the past?

What would these people do, and why?

Historical data

Required. No precedent, no prediction.

Helpful, not required. Personas can reason about novelty.

Output

A number and a curve.

A distribution, verbatim reasons, and recommended re-runs.

Individual difference

Averaged away into segments.

Preserved across many behavioural archetypes, then rolled up transparently.

Localisation

Often treated as language or a country label.

Tests culture, constraints, price references and context by region.