n.
1.a correlation between two variables (e.g., between the number of electric motors in the home and grades at school) that does not result from any direct relation between them (buying electric motors will not raise grades) but from their relation to other variables
Idiom of the Day
grass is always greener on the other side (of the fence)
a place or situation that is far away or different seems better than one's present situation
My cousin is always changing jobs because she thinks that the grass is always greener on the other side.
