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What was the most controversial conclusion made by Arthur Jensen with regard to Level I and Level II intelligence?

A. Level I intelligence is primarily influenced by environmental factors.
B. Level II intelligence is primarily influenced by genetic factors.
C. There are no significant differences between Level I and Level II intelligence.
D. Both Level I and Level II intelligence are equally influenced by genetics and environment.

Arthur Jensen's contentious conclusion focused on racial differences in Level II intelligence among ethnic groups, sparking debates on genetics and IQ tests.

Explanation:

Arthur Jensen's Controversial Conclusion on Level I and Level II Intelligence

Arthur Jensen's most controversial conclusion was his assertion that Level II intelligence, responsible for conceptual and analytical abilities, exhibited differences among ethnic groups. He claimed that this type of intelligence was prevalent among Asians, then Caucasians, then African Americans, sparking debate and accusations of racial bias.

In 1969, Jensen's publication on intelligence and genetics stirred discussions on the inherited nature of intelligence and the validity of IQ tests. Critics like Robert Williams challenged Jensen's findings, emphasizing the complexity of human intelligence beyond Levels I and II.

Learn more about Arthur Jensen's controversial conclusion on intelligence differences among ethnic groups here:

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