Question
Explain Spearman's two-dimensional theory of intelligence.

Answer

  • Meaning: Intelligence is the power to understand well, to make good decisions and to reason.
  • Charles Spearman, a British psychologist, introduced the two-factor theory of intelligence in 1904.
  • Spearman's two-dimensional theory:
  • According to Spearman, there are two main components of human intellectual ability.
(1) General intellectual ability (G– factor)
(2) Special intellectual ability (S– factor)
  • G-factor
  • This is an innate ability.
  • This is normal mental strength or energy.
  • It is full of continuity.
  • There are individual differences in the G – factor.
  • This ability is used in every normal activity in life.
  • S – factor
  • This ability is not innate but is editable.
  • It is derived from the environment and has the ability to learn.
  • Differences in the S-factor of different activities are found in the same person.
  • Individual differences in S-factor.
  • It changes to some extent through education or training.

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