040 - XV Intelligence ratings of occupational groups

044 - XIX Data from colleges and the Students' Army Training Corps XX Distribution of scores on the tests

When the United States entered World War I on April 6, 1917, a pioneering group of experimental psychologists came together to explore the potential of psychological services in the military. As their plans evolved, so too did the scope and responsibilities of their work. This report details the methods and outcomes of psychological examining within the U.S. Army. Divided into three parts, Part I presents the official history of the services development and operations during the war, complete with reproductions of original materials used. Part II offers a thorough overview of the preparation of methods, their distinctive features, and evaluations of their practical applications. Finally, Part III summarizes the results of the psychological examinations conducted. - Summary by Robert M. Yerkes

043 - XVIII Officers' training camps and noncommissioned officers' schools

When the United States entered World War I on April 6, 1917, a pioneering group of experimental psychologists came together to explore the potential of psychological services in the military. As their plans evolved, so too did the scope and responsibilities of their work. This report details the methods and outcomes of psychological examining within the U.S. Army. Divided into three parts, Part I presents the official history of the services development and operations during the war, complete with reproductions of original materials used. Part II offers a thorough overview of the preparation of methods, their distinctive features, and evaluations of their practical applications. Finally, Part III summarizes the results of the psychological examinations conducted. - Summary by Robert M. Yerkes

042 - XVII Relation of rank to intelligence

When the United States entered World War I on April 6, 1917, a pioneering group of experimental psychologists came together to explore the potential of psychological services in the military. As their plans evolved, so too did the scope and responsibilities of their work. This report details the methods and outcomes of psychological examining within the U.S. Army. Divided into three parts, Part I presents the official history of the services development and operations during the war, complete with reproductions of original materials used. Part II offers a thorough overview of the preparation of methods, their distinctive features, and evaluations of their practical applications. Finally, Part III summarizes the results of the psychological examinations conducted. - Summary by Robert M. Yerkes

041 - XVI Relation of ratings to arm of the service

When the United States entered World War I on April 6, 1917, a pioneering group of experimental psychologists came together to explore the potential of psychological services in the military. As their plans evolved, so too did the scope and responsibilities of their work. This report details the methods and outcomes of psychological examining within the U.S. Army. Divided into three parts, Part I presents the official history of the services development and operations during the war, complete with reproductions of original materials used. Part II offers a thorough overview of the preparation of methods, their distinctive features, and evaluations of their practical applications. Finally, Part III summarizes the results of the psychological examinations conducted. - Summary by Robert M. Yerkes

040 - XV Intelligence ratings of occupational groups

When the United States entered World War I on April 6, 1917, a pioneering group of experimental psychologists came together to explore the potential of psychological services in the military. As their plans evolved, so too did the scope and responsibilities of their work. This report details the methods and outcomes of psychological examining within the U.S. Army. Divided into three parts, Part I presents the official history of the services development and operations during the war, complete with reproductions of original materials used. Part II offers a thorough overview of the preparation of methods, their distinctive features, and evaluations of their practical applications. Finally, Part III summarizes the results of the psychological examinations conducted. - Summary by Robert M. Yerkes