A/B Test Plan
Design a rigorous experiment with hypothesis, metrics, and sizing.
THE PROMPT
Act as an experimentation lead. Design an A/B test for [change] on [product]. State the hypothesis, the primary and secondary metrics, guardrail metrics, the variant description, target audience and split, and roughly how long to run it for a meaningful result. Note the risks and what decision each outcome should drive.
How to use this prompt
1. Copy the prompt above.
2. Paste it into your AI tool — Claude, ChatGPT, Cursor, v0, Lovable, or any builder.
3. Add a screenshot of your existing UI so the result matches your colors, type, and spacing.
