Thurstone Primary Mental Abilities

• Word Fluency


  -       the ability of an individual to think of words rapidly
• Verbal Comprehension


  -       the ability to understand and define words
• Reasoning


  -       the ability to find rules and conventions to justify and solve issues (logical thought)
• Memory


  -       the ability to recall and associate previous learned items
• Perceptual Speed


  -       the ability to detect similarities and differences between designs and objects
• Space


  -       the ability to drawn a design from memory to recognize a figure whose position in the space has been distorted
• Number


  -       the ability to deal with numbers speedily and accurately either theoretically or practically