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Miscellaneous

What is retardism?

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We no longer use that label, but the DSM-IV classifies mental challenges into four stages based on severity: mild (IQ score of 50-55 to approximately 70), moderate (IQ score of 30-35 to 50-55), severe (IQ score of 20-25 to 35-40), and profound (IQ score of less than 20-25)

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