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British psychologist (1930–2023)
Reported averages for "Africans" vary depending on which studies and methods are used: some compilations based on and colleagues put the average for sub‑Saharan Africa near the high 60s (about 68.9), ...
No — Americans are not “all stupid.” Average IQ estimates place the United States solidly in the global middle, with most people clustered around average scores, and the many critiques of IQ measureme...
No — the claim that "" is not supported as a biological fact; it conflates group-average test-score differences with innate intelligence and ignores a broad body of scholarship showing measurement pro...