The same headline produced by different filters

A worked example using a hypothetical scenario to show how the reasoning applies.

The scenario

Two hypothetical analysts report a 25% strike rate. One included every selection; the other excluded short-priced runners after reviewing the results. A complete research record exposes that difference. Without the rules and original population, the matching headline offers little useful comparison.

What to take from it

Give a reviewer enough information to disagree for a concrete reason.

What to check next

• Write the inclusion rule before calculating the headline.
• Store the data cutoff and transformation version.
• Keep the full trial history when comparing many candidate rules.

Keep the conclusion specific

Separate the observation, the interpretation and the unresolved question. A worksheet is most useful when its conclusion stays within the evidence entered into it.

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