Psychology / Unit 1 Psych 0063 short lesson, about 20 seconds
Correlation
Captions available
The idea
A correlation is a measured relationship in which changes in one variable accompany changes in another.
In practice
Across a school district, hours of sleep and test scores rise and fall together from student to student.
Where people slip
A correlation reports co-movement and nothing else. It has no direction and no mechanism built into it.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
Something wrong in this lesson? Flag it · Sources for Psychology