When Goddard gave his IQ test to World War I military recruits, he included a scale that relied more heavily on pictures and acting out instructions….

When Goddard gave his IQ test to World War I military recruits, he included a scale that relied more heavily on pictures and acting out instructions. Still, he found 47 per cent of the men tested had a mental age of 13 or less. Why?

  • The men were mentally defective.
  • The test was culturally biased.
  • The test required more creativity than the Alpha test.
  • Goddard tested the men one at a time and discriminated against black recruits.
 

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