Measuring Intelligence

Measuring Intelligence

1. What makes a good test?

   • Reliable
     • test/retest
     • Becomes reliable at ~6 years
   • Valid

2. Average IQ= 100

3. College Success IQ= 125+

4. IQ testing today

   • Points earned for each correct answer
   • scored on bell curve w/ age group
     • Average always 100

5. IQ= Intelligence Quotient

6. Calculate

   • Mental Age/ Chronological Age x 100
     • Mental Age: Score on IQ test
     • Chronological Age: actual age

7. Score

   • Mental Age > Chronological Age = Above Average
   • Mental Age < Chronological Age= Below Average