Thurstone’s Theory

Thurstone’s Theory

1. Also known as

   • Group Factor Theory
   • Multi-dimensional Model

2. Intelligence is

   • Made up of primary mental abilities
     • Driven by 'g' factor
   • A cluster of abilities

3. Proposes 7 basic factors representing unique abilities

   • Number Factor
   • Verbal Factor
   • Space Factor
   • Memory
   • Reasoning Factor
   • Word Fluency
   • Perceptual Ability

4. New test of intelligence

   • Primary Mental Abilities