shoppers and laborers. Walter Dill Scott's role in Applied psychology eventually lead him to be considered one of the founders of Industrial/Organizational Psychology which is the application of psychological theories and principles to organizations World War I In 1917 the United States entered World War I and there immediately arose a problem of personnel selection to which Scott offered to help by applying psychological principles. Using his experience with intelligence testing and The Scott Company, Walter Dill Scott developed a rating scale to forecast the success of linguists, officers, and servicemen. The proposal was rejected at first. Commanding officers and senior instructors severely criticized the scale at every level. Although some of his contacts were skeptical, the officers decided to permit a practical test. The preliminary test was given to men who were already admitted and proven as good officers. If the test indicated aptitudes they were known to possess then it could be assumed that the test was valid and an accurate gauge. To the amazement of the officials, the test proved accuracy, and they immediately recommended that Washington utilize it in all camps. During use of the system, Scott set up a committee that handled three distinct functions: discover what types of abilities were needed in the army, place each enlisted man where he had the opportunity to make best use of his talent and skill, and select and promote officers on the basis of and ability. By the end of the war, the system was used in every branch of the Army, at home and abroad. Scott solved the problem of selecting not only officers but also men whose aptitudes would fit them for training as specialists and technicians of many kinds. His committee devised means of keeping wartime industries adequately staffed, and made possible successful selection of men for unusual tasks peculiar to a wartime army. Scott's method was so successful in selecting good officers that it was later used to determine promotion of officers and, to determine effective use of the vast pool of talents and skills among enlisted men. Scott was eventually awarded the Distinguished Service Medal for his efforts. Works References Sources Schultz, Duane P.; Schultz, Sydney Ellen (2004). A History of Modern Psychology (8th ed.). Belmont, CA: Wadsworth/Thompson Learning. External links Walter Dill Scott Papers, 1891-1977, Northwestern University Archives, Evanston, Illinois 1869 births 1955 deaths Carnegie Mellon University faculty Presidents of Northwestern