The Science of Deception

During the late nineteenth and early twentieth centuries, Americans were fascinated with fraud. P. T. Barnum artfully exploited the American yen for deception, and even Mark Twain championed it, arguing that lying was virtuous insofar as it provided the glue for all interpersonal intercourse. But deception was not used solely to delight, and many fell prey to the schemes of con men and the wiles of spirit mediums. As a result, a number of experimental psychologists set themselves the task of ide