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Feb 1, 2024 · Charles Spearman, an English psychologist, established the two-factor theory of intelligence back in 1904 (Spearman, 1904). To arrive at this theory, Spearman used a technique known as factor analysis.
Jul 6, 2023 · Spearman's Theory of General Intelligence . Psychologist Charles Spearman helped develop a statistical technique known as factor analysis, which allows researchers to use a number of different test items to measure common abilities.
Spearman's two-factor theory proposes that intelligence has two components: general intelligence ("g") and specific ability ("s"). To explain the differences in performance on different tasks, Spearman hypothesized that the "s" component was specific to a certain aspect of intelligence.
Charles Edward Spearman, FRS (10 September 1863 – 17 September 1945) was an English psychologist known for work in statistics, as a pioneer of factor analysis, and for Spearman's rank correlation coefficient.
Jun 27, 2024 · This chapter reviews the intellectual history of the study of intelligence. It provides an overview of the field today. Then it reviews the early history of the field, dating back to Sir Francis Galton and then Albert Binet, Charles Spearman, and their successors.
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Sep 4, 2019 · The most important historical figure in psychometric intelligence research is undoubtedly Charles Spearman, whose key ideas are still relevant today. As reviewed in his 1904 monograph, prior research in early psychology had produced conflicting findings about the nature of intelligence.