# Pack self-test gain does not reproduce on real items

> Living preprint · as of 2026-10-25 · map node F-2080 (fact) · interim record, not a final result.

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- [F-2080] Pack self-test gain does not reproduce on real items. self-test fact-added cell +0.139 (+0.075..+0.201) n 27 vs real −0.010 (−0.077..+0.050) n 10 · set self-tests (pack-written) vs MAIN keyed (dev) (dev (pack-written self-tests), development data) · judge Claude Haiku · n UNKNOWN · seeds UNKNOWN · CI 1 seed · date 2026-10-21 · caveat: post hoc; small n on real

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## Outgoing

- ruled out: [D-170] Thesis to present with the app: right whenever the content is in a pack; app built for it (no gain on real development items) → https://r4topunk.github.io/boar-research/map/d-170.md

Read chapter 13, Delivery, not coverage: https://r4topunk.github.io/boar-research/research/delivery.md

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Cite as: r4to, independent researcher. RatLab — A Boar Research (2026), research record 1.0, as of 2026-10-25. Text and data CC BY 4.0. Fact ids or a link must travel with a quote. How to cite: https://r4topunk.github.io/boar-research/cite/ · https://r4topunk.github.io/boar-research/CITATION.cff.

AI-reviewed, not clinically reviewed. Nothing here is medical advice.