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The rise and fall of the Flynn Effect as a reason to expect a narrowing of the Black–White IQ gap - ScienceDirect
What is the evidence that the IQ gap between different sub-populations is not environmental in origin? - Quora
![Chart of the Day: Scottish IQ Test Scores by Gender Reveal the Greater Variability of Male Intelligence | American Enterprise Institute - AEI Chart of the Day: Scottish IQ Test Scores by Gender Reveal the Greater Variability of Male Intelligence | American Enterprise Institute - AEI](http://www.aei.org/wp-content/uploads/2014/05/iq.jpg?x91208)
Chart of the Day: Scottish IQ Test Scores by Gender Reveal the Greater Variability of Male Intelligence | American Enterprise Institute - AEI
Emil O W Kirkegaard on Twitter: "The Black White IQ gap in the total sample of the Vietnam Experience Study. https://t.co/rJ7MPafBBz https://t.co/H8O2HHgWPZ" / Twitter
![Paolo Shirasi on Twitter: "If income disparities explained the gaps, we'd expect to see the children of the wealthiest blacks obtaining the same IQ results on average as similarly-situated whites and Asians. Paolo Shirasi on Twitter: "If income disparities explained the gaps, we'd expect to see the children of the wealthiest blacks obtaining the same IQ results on average as similarly-situated whites and Asians.](https://pbs.twimg.com/media/FaxZonhXkAIA0wz.png)
Paolo Shirasi on Twitter: "If income disparities explained the gaps, we'd expect to see the children of the wealthiest blacks obtaining the same IQ results on average as similarly-situated whites and Asians.
![Sarcoidosis in Iceland: a nationwide study of epidemiology, clinical picture and environmental exposure | European Respiratory Society Sarcoidosis in Iceland: a nationwide study of epidemiology, clinical picture and environmental exposure | European Respiratory Society](https://openres.ersjournals.com/content/erjor/7/4/00550-2021/F1.large.jpg)
Sarcoidosis in Iceland: a nationwide study of epidemiology, clinical picture and environmental exposure | European Respiratory Society
![US Public Perceptions of an Intelligence Quotient Test Score Gap Between Black Americans and White Americans - LJ Zigerell, 2021 US Public Perceptions of an Intelligence Quotient Test Score Gap Between Black Americans and White Americans - LJ Zigerell, 2021](https://journals.sagepub.com/cms/10.1177/1478929920917843/asset/images/large/10.1177_1478929920917843-fig1.jpeg)
US Public Perceptions of an Intelligence Quotient Test Score Gap Between Black Americans and White Americans - LJ Zigerell, 2021
![US Public Perceptions of an Intelligence Quotient Test Score Gap Between Black Americans and White Americans - LJ Zigerell, 2021 US Public Perceptions of an Intelligence Quotient Test Score Gap Between Black Americans and White Americans - LJ Zigerell, 2021](https://journals.sagepub.com/cms/10.1177/1478929920917843/asset/images/large/10.1177_1478929920917843-fig2.jpeg)