Goddard believed that Deborah Kallikak

  1. Was mentally “slow” but could have her IQ raised to well above normal at Vineland as a result of training
  2. Was the eventual outcome of an ancestor’s “casual intimacy” with a “feebleminded” barmaid
  3. Demonstrated that intelligence was the result of one’s environment
  4. Was the exception that proved the rule—a moron who was descended from the “good” side of the Kallikak line
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