of witnesses and on confessions, and the prevention of crime. In 1900, Alfred Binet, the French psychologist who developed the first standard ized intelligence test, the Stanford-Binet, testified in court about the use of psychological tests with delinquents and criminals. These tests were later used in large scale for screening potential police as well as criminals and by World War II in the 1940's, were used in many different ways to classify and design treatment for soldiers. In fact, the use of scientific psychometric tests has continued to be one of the strong assets the psychologist can...