Whose research and conclusions triggered a heated debate over ethnic differences in intelligence

Question

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Arthur Jensen and Philippe Rushton were controversial figures in the study of intelligence, particularly as it relates to race and ethnicity. Jensen argued that IQ differences among racial groups were largely due to genetics, while Rushton theorized that differences in brain size and other physiological factors contributed to disparities in intelligence. Their work sparked a long-standing debate in the field of psychology and continues to be the subject of controversy and criticism today.

Whose Research and Conclusions Triggered a Heated Debate Over Ethnic