Why does asking for something outrageous first make a smaller request easier to win?
Get turned down on a big ask, then shrink it - and your odds on the smaller version go up, not down.
In the door-in-the-face technique, you open with a request so large it gets refused, then fall back to the smaller request you wanted all along. That smaller ask now lands better than if you had led with it. The main reason is reciprocal concessions: by visibly backing down, the asker looks like they gave ground, so you feel pulled to give ground too by saying yes. The catch is that it is fragile - it works mostly when the same person makes both asks right away, with no long gap and no payment in between, and the average boost across studies is modest, not huge.
Your teenager asks to borrow the car for a whole weekend road trip. You say no. They immediately scale back to just a ride to the mall tonight, and that suddenly feels reasonable, so you agree.
An ask that gets rejected first can make the real, smaller ask more likely to land - if it follows immediately from the same person.
When someone opens with a wildly big request and then quickly trims it, notice the move - their retreat is doing the persuading, and the shrunken ask may still be more than you would have agreed to cold.
Door slammed in the face, foot pulls back to a smaller knock you actually open.
Learn the idea and practice English at the same time.