= Charles Spearman
{wiki=Charles_Spearman}
Charles Spearman (1863–1945) was a British psychologist known for his work in statistics and psychology, particularly in the field of intelligence testing. He is best known for developing the concept of the "g factor," or general intelligence, which posits that a common factor underlies various cognitive abilities. Spearman introduced a statistical method called factor analysis, which allows researchers to identify underlying relationships between different variables, including cognitive tasks.
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