Bianca (Othello) confirms his wife's infidelity. This "evidence" completes Iago's manufactured case against Desdemona, and thereafter Othello is determined to murder both her and Cassio. In 5.1, Bianca arrives just after Cassio has been stabbed by Iago. She reacts with horror and concern. Iago, pretending to have just entered the scene, accuses Bianca of having been part of the group that attacked Cassio. Iago claims her emotional reaction is due to her being caught rather than concern for Cassio and gets her to admit that Cassio ate at her home earlier that evening. Both Iago and Emilia call her a prostitute, but
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