Concept

IQ Test and Eugenics

Historically, IQ tests have been misused to support harmful ideologies like the eugenics movement, which aimed to control human reproduction based on perceived intelligence. Due to this history of misuse, the administration and purchase of most IQ tests are now strictly regulated. Today, only professionals with an advanced degree and training in psychology are authorized to administer these tests, excluding other professionals such as social workers and psychiatrists.

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Updated 2026-05-02

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