foot-in-the-door techniquepersuasion of one person by another person, encouraging a person to agree to a small favor, or to buy a small item, only to later request a larger favor or purchase of a larger itemElon.io is an online learning platformWe have an entire course teaching Psychology grammar and vocabulary.Start learning Psychology nowYour questions are stored by us to improve Elon.ioYou've reached your AI usage limitSign up to increase your limit.