The response of each mother was highly correlated with the daughter's report.
"In social studies, national and ethnic music is correlated with the study of particular countries."
These countries' markets aren't very well correlated with each other.
Follow up studies showed that the results correlated well with these children's success levels in later life.
But higher test scores are correlated with many other factors as well.
The data are correlated with the other instruments in related research.
These, in turn, are correlated with higher rates of illness and death.
He can find no reason for correlating them with anything in the present.
They don't correlate with each other or any known environmental stress.