docs: Expand "Running well powered experiments" with guides beyond variance and methodology#722
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bertilhatt wants to merge 1 commit intomainfrom
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docs: Expand "Running well powered experiments" with guides beyond variance and methodology#722bertilhatt wants to merge 1 commit intomainfrom
bertilhatt wants to merge 1 commit intomainfrom
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Turn the single page into a small section: keep variance and statistics on the overview, and add pages for runtime/seasonality, targeting and proximal metrics, rich CUPED++ covariates, and ambition/tactical-vs- strategic measurement. Cross-link entry points and preserve existing URLs for the main guide. Made-with: Cursor
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Summary
The Running well powered experiments guide was a single page focused on reducing variance (metrics, winsorization, CUPED++) and choosing a statistical paradigm. This change turns it into a small sidebar section and adds four pages for levers that are not "pick a lower-variance metric" or "change the test type": runtime/seasonality, who-and-what you measure, rich covariates for CUPED++, and experiment ambition / tactical vs. strategic measurement.
What changed
running-well-powered-experiments/index.md— Same URL as before. Original content kept; added stakeholder-oriented CUPED intuition (large adjustments vs. imbalance); new "Beyond variance reduction and statistical methodology" hub with links to the four new pages; conclusion updated.runtime-seasonality-sample-size.md— Prefer running longer when arms look very different; seasonality/baseline benefits; when time is fixed, point back to variance, covariates, targeting, and ambition.design-targeting-dilution-proximal-metrics.md— Small‑N and talking to users; proximal metrics; targeting/segments; entry points (links to existing entry points guide); higher-conversion proxy steps + link to tactical/strategic page.covariates-for-cuped-plus-plus.md— Assignment and context features (acquisition, geo, weather, time structure, demographics); new users; UI limits and notebook/historical rehearsal note.ambition-tactical-strategic-measurement.md— Bolder ideas, user/non-user research, internal disagreement; tactical A/B vs strategic holdout (search, email capture); links to proximal metrics and runtime._category_.json— Sidebar category "Running well powered experiments" with the overview doc as the category link.Links and build
#handling-outliers-using-winsorizationremain on the same URL path.npx docusaurus buildcompletes successfully with these changes.