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Title: Psychology Today
URL: https://www.psychologytoday.com/blog/the-scientific-fundamentalist/201006/why-criminals-are-less-intelligent-non-criminals
This discussion approaches the hypothesis: Why Criminals Are Less Intelligent than Non-Criminals.

Title: Human Intelligence
URL: http://www.intelltheory.com/
This site includes biographical profiles of people who have influenced the development of intelligence theory and testing, as well as in-depth articles exploring current controversies related to human intelligence.