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Who propagated Two Factor Theory of Intelligence?

Who propagated Two Factor Theory of Intelligence? Correct Answer Spearman

Intelligence  has been defined as the total of everything you know, as the ability to learn or profit from experience, as the ability to solve problems, or as the ability to cope with the demands of the environment.

The two-factor theory of intelligence: Charles Spearman proposed his theory in the year 1923.

  • According to his theory, intelligence consists of two factors: ‘g’ and ‘s’, where ‘g’ stands for generalized factor and ‘s’ stands for the specific factor. 
  • As per him, the ‘g’ factor is responsible for different tasks which are common for all people while the ‘s’ factor is for abilities like musical, spatial, mechanical, etc.
  • S-factor is applicable in specific fields and changeable in nature while G-factor is a universal innate ability to perform all cognitive tasks effectively. 

Hence, we can conclude that the 'Two Factor Theory of Intelligence' was given by Charles Spearman

Hint

Proponents  Description of work
Thurston 

Group factor theory
Binet Introduced the concept of 'Mental age' 
E. L. Thorndike Multifactor theory of intelligence
William Stern devised the concept of Intelligence Quotient (IQ)
Terman introduced the application of the term intelligence quotient

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