Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a direct relationship between
Grammar usage guide and real-world examplesUSAGE SUMMARY
"a direct relationship between" is correct and usable in written English.
You can use it when you are describing a link or connection between two things. For example, "The research found a direct relationship between smoking and lung cancer."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(1)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
Most human-powered devices are entirely mechanical, with a direct relationship between input and output.
News & Media
"There is a direct relationship between provocation and injury," he said.
News & Media
However labeled, Mr. Bush's faith entails a direct relationship between the believer and God.
News & Media
"There's a direct relationship between how we play and how much we get paid," he said.
News & Media
Many politicians interpreted the research as showing a direct relationship between debt and growth.
News & Media
She says the mayor's idea was to make a direct relationship between the local authority and the housebuyer.
News & Media
In general, there is a direct relationship between the alcoholic content of a beverage and its congeneric count.
News & Media
"There is a direct relationship between mowing height and the size of the root system," Mr. Hummel said.
News & Media
"It's difficult to draw a direct relationship between our findings and the current discussion on the climate," Mr. Wagner said.
News & Media
There is a direct relationship between the stock market and the menus in top restaurants, particularly in New York.
News & Media
"At least at the onset, there's a direct relationship between people seeing it, being curious, looking for more".
News & Media
Expert writing Tips
Best practice
When using "a direct relationship between", ensure that the connection you're describing is indeed clear and not mediated by other factors. Avoid using it for speculative or tenuous links.
Common error
Avoid implying causation when only a correlation exists. "A direct relationship between" suggests a strong link, but it doesn't automatically mean one thing causes the other. Further evidence may be needed to establish causality.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a direct relationship between" functions as a connector or indicator of association, linking two distinct elements. As Ludwig AI states, this phrase is used to describe a clear and immediate link or connection between two things. Many examples show usage in research or news contexts.
Frequent in
Science
38%
News & Media
34%
Formal & Business
9%
Less common in
Wiki
3%
Reference
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, "a direct relationship between" is a commonly used phrase to indicate a clear and immediate connection or correlation between two elements. Ludwig AI confirms its correctness and utility in describing links in various contexts. It's frequently found in news, scientific, and formal business settings. While suggesting a strong association, remember it doesn't automatically imply causation. Alternative phrases include "a direct correlation between" and "a direct link between". When using this phrase, ensure the connection is well-supported and avoid implying causation without sufficient evidence.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a direct correlation between
Replaces "relationship" with "correlation", emphasizing a statistical connection.
a direct link between
Substitutes "relationship" with "link", suggesting a connection or association.
a direct connection between
Uses "connection" instead of "relationship", focusing on the act of joining or linking.
a direct association between
Replaces "relationship" with "association", highlighting a connection or involvement.
a direct tie between
Uses "tie" to emphasize a strong bond or link between two things.
a clear relationship between
Adds "clear" to emphasize the obvious or easily perceived nature of the relationship.
a straightforward relationship between
Replaces "direct" with "straightforward", suggesting simplicity and ease of understanding.
a demonstrable relationship between
Uses "demonstrable" to indicate that the relationship can be proven or shown.
a causal relationship between
Specifies the "relationship" as "causal", implying that one thing directly causes the other.
an immediate relationship between
Uses "immediate" to suggest that the connection is direct and without intermediaries.
FAQs
How can I use "a direct relationship between" in a sentence?
Use "a direct relationship between" to indicate a clear and immediate connection between two elements. For example, "There is a direct relationship between exercise and improved cardiovascular health."
What is a synonym for "a direct relationship between"?
Alternatives include "a direct correlation between", "a direct link between", or "a direct connection between", all suggesting a strong association.
Does "a direct relationship between" imply causation?
While "a direct relationship between" suggests a strong link, it does not automatically imply causation. Causation requires additional evidence to demonstrate that one element directly causes the other. Correlation does not equal causation.
When is it inappropriate to use "a direct relationship between"?
Avoid using "a direct relationship between" when the connection is speculative, weak, or mediated by other factors. It's best reserved for situations where the link is clear and well-supported by evidence.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested