Truman Lee Kelley

1884 - 1961

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About Truman Lee Kelley

Source: Wikipedia

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Truman Lee Kelley (1884 – 1961) was an American researcher who made seminal contributions to statistics and psychology.

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Cover of Stanford Achievement Test, Ed. 1922 : $b Advanced Examination, Form A, for Grades 4-8

Stanford Achievement Test, Ed. 1922 : $b Advanced Examination, Form A, for Grades 4-8

Psychological tests