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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 key factor in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "A key factor in" is correct and usable in written English.
You can use it to introduce an important element or consideration in a discussion or analysis. Example: "A key factor in the success of the project was the team's ability to communicate effectively."
✓ Grammatically correct
News & Media
Science
Formal & Business
Encyclopedias
Wiki
Academia
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
"A key factor in parkour is gradualism," he said.
News & Media
A key factor in this is providing affordable housing.
News & Media
A key factor in Turing's model was diffusion.
News & Media
A key factor in the dollar's decline is comparative rates.
News & Media
A key factor in IVP's analysis: enterprise to EBITDA multiples.
News & Media
A key factor in the final plan was secrecy.
Wiki
So why isn't it a key factor in the marketing?
News & Media
Social relationships are a key factor in shaping our prejudices.
Trump is a key factor in the asymmetry.
News & Media
Forestry is a key factor in northern Manitoba's economy.
Encyclopedias
But it could be a key factor in the game.
News & Media
Expert writing Tips
Best practice
When using "A key factor in", ensure the sentence clearly explains why the factor is important and its impact on the subject.
Common error
Avoid using "A key factor in" repeatedly in close proximity. Vary your language with synonyms like "a crucial element" or "an important aspect" to maintain reader engagement.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "A key factor in" serves as a subject complement or adjectival phrase, highlighting a particularly important element, reason, or influence within a given context. As Ludwig AI confirms, this phrase is perfectly correct in written English.
Frequent in
News & Media
39%
Science
34%
Wiki
9%
Less common in
Formal & Business
6%
Encyclopedias
3%
Academia
9%
Ludwig's WRAP-UP
In summary, "A key factor in" is a grammatically sound and frequently used phrase to underscore the significance of a particular element or influence. Ludwig AI confirms its correctness and usability. It's versatile across various contexts, from news and media to scientific discussions, maintaining a neutral to professional tone. To enhance writing, remember to explain the factor's importance and avoid overuse by incorporating synonyms like "a crucial component of" or "an important aspect of". By following these guidelines, you can effectively use "A key factor in" to strengthen your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
A vital element in
Highlights the necessity or importance of the element.
An important aspect of
Replaces "key factor" with "important aspect", focusing on a notable feature.
A crucial component of
Substitutes "key factor" with "crucial component", stressing the essential nature.
A fundamental part of
Emphasizes the basic and essential nature.
A major element of
Replaces "factor" with "element", emphasizing a significant component.
A primary driver of
Replaces "key factor" with "primary driver", indicating a main cause or impetus.
A significant influence on
Changes the structure to highlight the impact or effect.
A central reason for
Focuses on the cause or justification.
The main contributor to
Highlights the contribution that factor gives to the final result.
The most important thing about
Expresses the superlative degree of importance
FAQs
How can I use "A key factor in" in a sentence?
Use "A key factor in" to introduce something that significantly influences an outcome or situation. For example, "A key factor in the company's success was its innovative marketing strategy."
What can I say instead of "A key factor in"?
You can use alternatives like "a major element of", "a crucial component of", or "an important aspect of" depending on the context.
Is it redundant to say "a key and important factor in"?
Yes, using both "key" and "important" is generally redundant. Stick to "A key factor in" or "An important factor in" for better conciseness. You may also consider "a crucial factor in" for increased emphasis.
How does "A key factor in" differ from "A contributing factor to"?
"A key factor in" suggests a more significant influence than "A contributing factor to". While a contributing factor plays a role, a key factor is central to the outcome. Consider using "a major contributor to" if it is really important.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested