Design a study and pre-register its kill criteria
Decide in advance what result would change the decision, before the data can influence you.
What this prompt helps you do
A study design with the question, method, sample, analysis plan, and the result that would reject the hypothesis.
When to use it
Research is being planned for a decision that people already have a preference about.
What to prepare
The goal, relevant source material, constraints, examples, and the decision or action this should support.
How to get a strong result
Write the disconfirming result before collecting data; afterwards, everything can be read as supportive.
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.