Lecture 2 ▯ Measuring Intelligence
▯ Studying Individual Differences
Most psychological research aims to understand the “average” human, sometimes called
Some areas try to understand why and how some humans differ, this research is called
Individual Difference Work.
Some societies believe that more education citizens lead to a better country and stronger
more prosperous society. (ex. Blackberry a Canadian invention)
Ability to measure intelligence may be beneficial is a couple of ways:
1) Allows you to access whether certain educational methods are better than others.
2) May allow one to tailor a child’s education to their current abilities.
Anything that you can measure follows a normal distribution, the majority have normal
measurement, with a few above or below the norm.
Sir Francis Galton, Darwin’s cousin.
Measured intelligence as the speed of information processing.
First to claim to be measuring intelligence.
▯ Interpreting Test Sores
In order to make sense of an individuals score must first give test to many people in order to find
mean and standard deviation for the test, this is called establishing the norms.
Often it is necessary to acquire such norms separately for d