a strong correlation — close relationship (between two things)
collocationC1IELTS 7+neutralcommon
used to describe a clear and significant connection between two facts, events, or trends, where changes in one are closely linked to changes in the other.
Say it like a native
Textbook There is a close connection in which the two things change together.
Native There's a strong correlation between the two.
'A strong correlation between' is the standard statistical phrasing.
Pattern: a strong correlation (between A and B) / (with B)
In use
- There is a strong correlation between regular exercise and improved mental health.study
- In my opinion, there is a strong correlation between access to technology and students' ability to learn independently.IELTS speaking
Common mistake
✗ There's a strong correlation of income and health.
✓ There's a strong correlation between income and health.
'A correlation BETWEEN' two things, not 'of'.
Common collocations
a strong correlation between— between, find, show, positive
Don't confuse it
Unlike the general word 'connection', 'a strong correlation' is more formal and suggests a measurable, often statistical, relationship. It does not imply direct cause and effect.