Anchoring is the tendency for an initial piece of information to influence later judgments. After seeing a high reference price, the same offer may feel less expensive.
The demo reveals a reference price first, then emphasizes the offer. In a comparison test, control for both presentation order and how credible the reference is.
Inventing a list price to imply a discount damages trust. Show genuine prices and conditions clearly.
When to use
Use it when arranging plans or offers, after verifying that the reference price is real.