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Understanding confidence
What High, Medium, Low and Unknown confidence mean, and why uncertainty never lowers a score.
Confidence describes how strongly the evidence supports a conclusion.
- High: several strong, independent signals agree.
- Medium: supported, but partly inferred or incomplete.
- Low: plausible but weakly supported.
- Unknown: not enough evidence to conclude.
Why it matters
Uncertain evidence weighs less in a score; it is never counted as a failure. A high score resting on thin evidence is not labelled Exceptional.