Army Mental Tests
Author: first_name: Robert Mearns
last_name: Yerkes
first_name: Clarence Stone
last_name: Yoakum
Language: English
Year: 1920

Prepared in cooperation with the staff of the surgeon general's office as a source of information and printed materials concerning psychological testing used within the United States Army and indications of the possible use of similar methods in education and industry. - Summary by Leon Harvey