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The Army Alpha is a group-administered test developed by Robert Yerkes and six others in order to evaluate the many U.S. military recruits during World War I. [1] It was first introduced in 1917 due to a demand for a systematic method of evaluating the intellectual and emotional functioning of soldiers.
The Alpha test was a verbal test for literate recruits and was divided into eight test categories, which included: following oral directions, arithmetical problems, practical judgments, synonyms and antonyms, disarranged sentences, number series completion, analogies and information, [10] whereas the Beta test was a nonverbal test used for ...
During World War II, the Army General Classification Test (AGCT) and the Navy General Classification Test (NGCT) were used in place of the Army Alpha and Army Beta tests for similar purposes. [36] The United States Army had no unified program for the use of clinical psychologists until 1944, towards the end of World War II. Before this time, no ...
Modern psychological testing can be traced back to 1908 with the introduction of the first successful intelligence test, the Binet-Simon Scale. [1] From the Binet-Simon came the revised version, the Stanford-Binet, which was used in the development of the Army Alpha and Army Beta tests used by the United States military. [2]
The Army Beta 1917 is the non-verbal complement of the Army Alpha—a group-administered test developed by Robert Yerkes and six other committee members to evaluate some 1.5 million military recruits in the United States during World War I. The Army used it to evaluate illiterate, unschooled, and non-English speaking army recruits.
The Army Alpha was a test that assessed verbal ability, numerical ability, ability to follow directions, and general knowledge of specific information. The Army Beta was its non-verbal counterpart used to evaluate the aptitude of illiterate, unschooled, or non-English speaking draftees or volunteers.
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Robert Mearns Yerkes (/ ˈ j ɜːr k iː z /; May 26, 1876 – February 3, 1956) was an American psychologist, ethologist, eugenicist and primatologist best known for his work in intelligence testing and in the field of comparative psychology.