Army intelligence test rankings corresponded with officers' rankings of soldiers (average correlation 0.536 across twelve companies), suggesting the tests measured something beyond literacy¶

Claim · All claims
Evidence · 1 study · associational r1 · q2 · i3 large
Currency · newest study 1921 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q2 i3 In twelve companies the average correlation between rankings by intelligence tests and officers' rankings by soldier value was 0.536, ranging from 0.64 to 0.75 in seven of the twelve companies. → Geyer 1921

Evidence¶

Geyer 1921¶

Geyer, D. L. (1921). The Reliability of Rankings by Group Intelligence Tests. The Journal of Educational Psychology. https://www.jstor.org/journal/jeduapsy

q2 · i3 · associational · r1

The article cites, from Yoakum and Yerkes's Army Mental Tests, the correspondence between Army Intelligence Test selection and officers' rankings, with printed correlations r = 0.536 (average) and 0.64 to 0.75 in seven of twelve companies.

"in twelve companies the average correlation between rankings by intelligence tests and rankings by officers on the basis of soldier value was 0.536, and in seven of the twelve companies it ranged from 0.64 to 0.75."

Discussion¶

Related Claims¶

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