Intelligence Part 1

Intelligence Part 1

1. History Intelligence Testing

   • Alfred Bennet originator of intelligence testing
     • "Intelligence is a capacity that matters for many tasks"
       • Intelligence Quotient (IQ) reflects general abiltiy not specialised ability
         • IQ= (Mental age/Actual age) x100
           • Not reliable for adults as mental age stays the same after certain age
   • Wechsler Adult Intelligence scale
     • 11 sub-tests divided between verbal and performance categories
     • WAIS visual puzzle
       • The measure of perceptual reasoning
   • Raven's Progressive Matrices
     • Test single,specific capcities

2. Psychological Tests

   • Aptitude (Ability to learn)
   • Achievement (What has been learned)
   • Need to be standardised, reliable and valid
     • Need a basis for comparison
     • test-retest reliabiity
     • whether tests really measure what we intend them to measure
   • IQ can predict many aspects of future life
     • IQ measures general Intelligence

3. Psychometric approach to intelligence

   • Examining patterns within results
     • If someone is intelligent then scores on one test should correlate with those on another
       • However most people are good at one thing and not so good at another