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Charles Edward Spearman proposed his two-factor theory of intelligence in 1904. He was the first who introduced the concept of general intelligence called the ”g” factor. To develop his theory, he analyzed different mental aptitude and cognitive tests given by the participants.
Spearman's two-factor theory proposes that intelligence has two components: general intelligence ("g") and specific ability ("s"). [7] To explain the differences in performance on different tasks, Spearman hypothesized that the "s" component was specific to a certain aspect of intelligence. [2]
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.
In the early 1900s, psychologist Charles Spearman developed his theory of general intelligence which identified G, an underlying intelligence factor. G supposedly accounted for the wide range of observable abilities in humans which spoke to humans.
Spearman's theory of general intelligence is known as the two-factor theory and states that general intelligence or "g" is correlated with specific abilities or "s" to some degree.
Learn about Spearman’s Two-Factor Theory of Intelligence, including general intelligence, specific abilities, correlation between tests, factor analysis, limitations, and modern applications.
Spearman’s Two-Factor Theory of intelligence, proposed by British psychologist Charles Spearman in the early 20th century, is centered on two key components: general intelligence, referred to as "g," and specific abilities, designated as "s."
The two-factor theory of intelligence is about the structure of intelligence, that is, a theory that describes intelligence in terms of a two-dimensional structure of general and special intelligence factors. The two-factor theory was proposed by the British psychologist Charles Spearman in 1904.
Historically, most intelligence research has either focused on some general attribute or on more specific attributes. The chapter describes how both perspectives can be traced back to the work of Charles Edward Spearman (1864-1945) and his two-factor theory.
The early 1900s saw Charles Spearman using a mathematical approach to the question of measuring human intelligence. Using statistical factor analysis Spearman identified g, a single underlying intelligence factor he believed accounted for the variety of observable abilities.