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The "Army Alpha": First Nebraska Edition was a revision that used four earlier forms of the "Army Alpha". It was revised in 1937. The most diagnostic items were selected and items referring unnecessarily to military affairs or depending upon out-of-date information were eliminated.
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 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 ...
The final forms of the Army Alpha and Beta tests were published in January 1919, and by the end of the war they had been administered to approximately two million men. [2] Bingham spent the years after the First World War writing books and articles emphasizing the civilian applications of the testing procedures he helped develop for the Army.
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]
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Terman was able to work with other applied psychologists to categorize army recruits. The recruits were given group intelligence tests which took about an hour to administer. Testing options included Army Alpha, a text-based test, and Army Beta, a picture-based test for nonreaders. 25% could not complete the Alpha test. [8]
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.