Arthur Jensen's most controversial conclusion regarding his two-level theory of intelligence was that Level II intelligence is prevalent among Asian people, then White people, then Black people.

Jensen's Claims on Ethnic Differences in Intelligence

In Arthur Jensen's two-level theory of intelligence, Level II is responsible for conceptual and analytical abilities. According to his findings, Level II abilities exhibited differences among ethnic groups.

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Arthur Jensen posited that intelligence is made up of two types of abilities: Level I and Level II.

Jensen's Two-Level Theory of Intelligence

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

In Arthur Jensen's two-level theory of intelligence, Level I is responsible for rote memorization. According to his findings, Level I abilities remained consistent among the human race.

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