Iago that Desdemona is having an affair with Cassio. This plan occupies the final three acts of the play. He manipulates his wife Emilia, Desdemona's lady-in-waiting, into taking from Desdemona a handkerchief that Othello had given her; he then tells Othello that he had seen it in Cassio's possession. Once Othello flies into a jealous rage, Iago tells him to hide and look on while he (Iago) talks to Cassio. Iago then leads Othello to believe that a bawdy conversation about Cassio's mistress, Bianca, is in fact about Desdemona. Mad with jealousy, Othello orders Iago to kill Cassio, promising to make
Othello error in practice. The phrase Othello error was first used in the book "Telling Lies" by Paul Ekman in 1985. The name was coined from Shakespeare's play "Othello", which provides an "excellent and famous example" of what can happen when fear and distress upon confrontation do not signal deception. In Shakespeare's "Othello", Othello falsely believes that his wife, Desdemona, has been cheating on him with another man. There, upon confronting his wife, Desdemona, about her love for another, she cries and denies, all the while aware that her mien will be taken as evidence of guilt by her jealous husband. Seeing