Verify · under lens
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Does the paired difference survive item resampling, repeat across matched reruns, and remain interpretable under the design you actually used?
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Turn the instrument
Paste paired row contributions from one pre-committed comparison.
Data and pairing
Use one score per evaluation item, in the same item order for both systems: 1/0 for correctness, or a continuous row contribution whose arithmetic mean is the metric you intend to compare.
Two summary metrics do not reveal which items changed. This calculation resamples paired rows. Repeated generations from one prompt are not independent rows; aggregate them or use a cluster-aware method.
Method settings · 10,000 resamples
More resamples refine this deterministic estimate; they do not add evidence. The browser stops above ten million item draws.
Read the submitted evidence
The visual is descriptive. The marks keep design and repeatability separate.
No reading yet
Declare the metric direction, paste matching rows, mark the independent-unit boundary, and analyze.
Test repeatability
At least 3 matched baseline/variant reruns are required before the reading can call the signal repeated.
No matched reruns yet. A positive row calculation remains an item-level signal only.
Mark the design boundaries
0 declared yes · 0 no · 0 unsure · 6 unanswered. These are your declarations; the browser cannot verify them.
Bound the reading
Design, item evidence, and reruns remain separate all the way to the conclusion.
Choose the metric direction and analyze the submitted rows to get a reading.
What this reading cannot support
This harness does not run your model, see your data, or check your training set. It tests one pre-committed comparison on one evaluation set under one harness.
Even a favorable reading is not proof of causality, capability on other distributions, publication readiness, or production impact.
Browser-local Reloading the page discards every value.