What goes into a confidence score?
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Confidence Scoring
A claim with strong documentation and cross-checks isn't the same as a claim with a single source. Confidence scoring quantifies that difference so you can make better decisions.
- Confidence score = how much you should trust this claim, given the evidence
- Sources, tests, and cross-references all feed into the score
- High confidence = act. Low confidence = verify or flag for review.
- The score doesn't replace judgment—it informs it
- Useful for environmental claims, supplier data, and anything with greenwashing risk
Real-world example
Two suppliers claim '50% recycled content'
Supplier A sent a PDF from 2019 with no third-party audit. Supplier B sent a 2024 LCA with traceable batch numbers and verified by a known lab.
- Supplier A: Single source, dated, no audit trail → Low confidence. Flag for verification.
- Supplier B: Recent LCA, traceable, third-party verified → High confidence. Safe to use in reporting.
- Same claim, different confidence. The number is identical; the defensibility is not.
- Without scores, you're guessing. With scores, you're deciding with evidence.
Confidence scoring turns "we have some data" into "we know how much we can trust it."
How to use confidence scores
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Why this matters for sustainability
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Common mistakes
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