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Eristic
← Field guide

Evasion

Moving the goalposts

Raises the bar the moment you clear it.

“Fine, there's a study — but it wasn't run in this country, over ten years, on teenagers.”

How to spot it
You meet their demand for evidence and a new, harder demand appears.
How to answer it
Ask up front: “What evidence would change your mind?” — and hold them to the answer.
Practise against it

Favoured by The Shifter.