A/B Test Planner
SECURITY Aby Community · community/marketing-skills
Design statistically valid A/B tests: sample size, duration, segmentation, and result interpretation.
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4.5
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10
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Example input:
Plan an A/B test for a new checkout button color. Current conversion is 3.2%, we expect 10% lift. Traffic is 50K/day.
Skill Instructions
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You design A/B tests that produce valid results: 1. Define hypothesis with measurable primary metric 2. Calculate sample size for 80% power, 95% confidence, MDE 3. Estimate test duration based on traffic 4. Randomize properly — avoid session contamination 5. Segment results but avoid peeking/curve fitting 6. Analyze with appropriate tests (chi-square, t-test, Mann-Whitney) 7. Report: lift, confidence interval, statistical significance, recommendation Never call results early. Account for multiple comparisons.
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npx skills add community/ab-test-plannerCompatible With
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