One classical experiment on ESP (extrasensory perception) testsfor the ability of an individual to show telepathy—to read the mindof another individual. This test uses five cards with differentdesigns, all known to both participants. In a trial, the "sender"sees a randomly chosen card and concentrates on its design. The"receiver attempts to guess the identity of the card. Each of thefive cards is equally likely to be chosen and only one card is thecorrect answer at any point.What is her expected

ESP and espionage: How psychics aided the U.S. government