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During World War I, the US Army gives the IQ test to 1.7 million recruits. It's later rolled out to millions of students in the 1920s. (1 ene 1917 año – 15 abr 1918 año)

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History of American Education, by Adam and Drew

ByAdam Graham-Silverman
9 may 2019
0
0
300

fecha:

1 ene 1917 año
15 abr 1918 año
~ 1 years and 3 months
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