How a Tiny Yes Becomes a Big One (The Foot-in-the-Door Technique)

The Psych Trap · Oct 29, 2026 · 12m

In 1966, researchers asked homeowners in Palo Alto to put a huge, ugly DRIVE CAREFULLY billboard on their front lawns. Seventeen percent agreed. In another group of homes, seventy-six percent said yes. The difference: two weeks earlier, someone had asked them to put up a three-inch sign.

This file decodes the foot-in-the-door technique and its two siblings — the door in the face and the low-ball — why they work on good instincts like consistency and fairness, where they're used on you every week, and what the research actually says about how strong they are. Then: five rules for pricing every…