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 effect on
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a direct effect on" is correct and usable in written English.
It can be used when discussing the immediate impact or influence that one thing has on another. Example: "The new policy will have a direct effect on employee productivity."
✓ Grammatically correct
News & Media
Science
Alternative expressions(4)
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
This has a direct effect on every one of us whatever our socio-economic status.
News & Media
'Perceived effectiveness' also had a direct effect on 'perceived cost-effectiveness' and 'perceived danger' also had a direct effect on 'concerns about side-effects'.
Science
"But the one has a direct effect on the other".
News & Media
But there was one innovation which would have a direct effect on their eyesight: becoming nocturnal.
News & Media
The competition has had a direct effect on her writing.
News & Media
Many of them have a direct effect on our lives.
News & Media
They have a direct effect on who we are".
News & Media
"This has a direct effect on the player's ranking.
News & Media
Does lobbying have a direct effect on policy?
News & Media
This has a direct effect on Tuck and its endowment.
News & Media
Judicial pressure appears to be having a direct effect on the government.
News & Media
Expert writing Tips
Best practice
When using "a direct effect on", ensure the cause-and-effect relationship is clear and evident to the reader. Avoid vague connections that may weaken your argument.
Common error
Be cautious not to assume a "direct effect on" without sufficient evidence. Correlation does not equal causation; ensure that the claimed effect is genuinely caused by the stated factor and not by a confounding variable.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a direct effect on" functions as a prepositional phrase that modifies a noun, indicating a causal relationship or influence. It describes something that has an immediate and noticeable impact on something else. Ludwig AI confirms the proper use of this phrase.
Frequent in
News & Media
43%
Science
43%
Formal & Business
14%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a direct effect on" is a common and grammatically correct phrase used to indicate an immediate and clear influence or causal relationship. Ludwig AI validates the usage of this phrase. It is frequently found in news, media and scientific contexts. When using this phrase, ensure the cause-and-effect relationship is evident and supported by evidence. Alternatives include "a straightforward impact on" and "a tangible influence on". Avoiding assumptions of causation without proof is also important when employing this phrase.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a immediate effect on
Replaces "direct" with "immediate", emphasizing the swiftness of the impact.
affects immediately
Focus on how it affects immediately. It changes the structure, focusing on immediacy of the effect and removing the article.
a straightforward impact on
Substitutes "effect" with "impact" and "direct" with "straightforward", suggesting a clear and uncomplicated influence.
directly impacts
Simplifies the phrase into a verb form, focusing on the action of directly impacting something.
a tangible influence on
Replaces "effect" with "influence" and "direct" with "tangible", highlighting a noticeable and measurable impact.
exerts a primary influence on
Uses a more formal tone, replacing "effect" with "influence" and highlighting the primary nature of the influence.
a marked consequence for
Changes the structure, focusing on the consequence rather than the effect, and using "marked" to indicate significance.
a significant bearing on
Replaces "effect" with "bearing", indicating relevance or influence, and "direct" with "significant", emphasizing importance.
a profound result for
Shifts the focus to the result and uses "profound" to denote a deep or substantial effect.
a key determinant of
Presents the phrase as a determining factor rather than a simple effect.
FAQs
How can I use "a direct effect on" in a sentence?
Use "a direct effect on" to show that something immediately influences something else. For example: "The new policy will have "a direct effect on" employee morale".
What are some alternatives to saying "a direct effect on"?
Depending on the context, you can use alternatives like "a straightforward impact on", "a tangible influence on", or "directly impacts".
Is it correct to say "an direct effect on"?
No, it is incorrect. The correct article to use before "direct" is "a" because "direct" begins with a consonant sound. Therefore, the proper phrasing is ""a direct effect on"".
What's the difference between "a direct effect on" and "an indirect effect on"?
"A direct effect on" signifies an immediate and clear influence, whereas "an indirect effect on" implies that the influence is mediated through other factors or steps.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested