Check an experiment result before you act on it
Test whether a result is real before it becomes a decision.
What this prompt helps you do
A verdict on validity covering power, duration, novelty effects, segment consistency, and confidence in the effect.
When to use it
An experiment has produced a favourable result and a rollout is being planned.
What to prepare
The goal, relevant source material, constraints, examples, and the decision or action this should support.
How to get a strong result
Check whether the test was powered for the effect it reports; underpowered wins are the most common false positive.
How to use this prompt
Replace each placeholder with accurate context. Paste the complete prompt into Claude, review the response critically, resolve important questions, and use it as a considered input to the next decision—not as an unchecked final answer.