AB-TESTING5 MIN READ
Decide: When The Sample Is Too Small
Use sample-size reasoning to decide whether to run, resize, redesign, or cancel an A/B test.
Carlos wants to test a dashboard tooltip. Baseline activation is 12%, the desired lift is +0.3 percentage points, and the product gets 4,000 eligible users a month. The sample-size calculator says the test would need months.
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