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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 why
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a key factor in why" is correct and usable in written English.
It can be used to explain the reason or cause behind a particular situation or outcome. Example: "The lack of funding was a key factor in why the project was delayed."
✓ Grammatically correct
News & Media
Science
Alternative expressions(5)
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
8 human-written examples
Social pressure on new mothers to get their babies into a feeding routine and to sleep through the night is a key factor in why the UK has the lowest rate of breastfeeding in the world, an expert has warned.
News & Media
He believes that the varying purity of transplants may prove to be a key factor in why some of the fetal cell transplants have not succeeded as well as others.
News & Media
Nato's failure to do better on this score is seen as a key factor in why support for its mission has fallen.
News & Media
Consumer activism and sharing of information is extremely important in China, a key factor in why so many people reach out to blogs and BBS.
News & Media
This is a key factor in why, between 2001 and 2015, the number of Indigenous Australians imprisoned in NSW more than doubled.
News & Media
However, while this is a key factor in why this disease continues to plague our nation, it is not the only one.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
Jalan and Ravallion [21] 's study indicates that rural roads are a key factor in explaining why some rural households are able to increase their consumption levels than others.
Science
The reason for this is that the context and environment in which participants and non-participants were living and into which the Well London interventions and activities were introduced, has been shown to be a key factor in showing why individuals participated.
Science
A clever, new onscreen graphic device will aim to explain the complex classification system underpinning Paralympic sport – a key factor in making it clear to those watching why athletes with apparently different disabilities are competing on a level playing field.
News & Media
So why isn't it a key factor in the marketing?
News & Media
We think that timing of unhealthy food consumption could be a key factor in the ill-health of chronic shift workers, although exactly why we crave these types of food at night needs more research.
News & Media
Expert writing Tips
Best practice
When using "a key factor in why", ensure that the sentence clearly articulates the outcome or situation being explained. For instance, specify what exactly is happening and how the identified factor influences it.
Common error
Avoid presenting "a key factor in why" as the only reason for an outcome. Acknowledge that most situations have multiple contributing elements to maintain credibility and accuracy.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a key factor in why" serves as a causal connector, linking a specific element to its resultant outcome. Ludwig AI confirms its grammatical correctness and usability, highlighting its role in explaining causes, illustrated by examples such as 'Social pressure... is a key factor in why the UK has the lowest rate of breastfeeding'.
Frequent in
News & Media
63%
Science
25%
Encyclopedias
12%
Less common in
Wiki
0%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a key factor in why" is a grammatically correct and usable phrase that functions as a causal connector, explaining the significant reasons behind an outcome. Ludwig AI's analysis highlights its prevalence in news and media, alongside scientific contexts. While it's acceptable, be mindful of overstating its significance as the sole cause. Alternatives such as "a primary reason for" or "a major contributor to why" can offer varied expressions. Remember to clearly articulate the situation being explained and avoid presenting it as the only reason for an outcome.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a primary reason for
Replaces 'factor' with 'reason' and simplifies the structure, focusing directly on the cause.
a major contributor to why
Substitutes 'factor' with 'contributor', emphasizing the active role in causing the outcome.
an important element in explaining why
Uses 'element' to highlight the part played in explanation, increasing formality.
a significant influence on why
Replaces 'factor' with 'influence', stressing the power to affect the result.
a crucial component in understanding why
Highlights the necessity of the factor for comprehension, adding a layer of importance.
the main cause of why
Identifies the factor as the principal cause, intensifying the causal relationship.
a central aspect in determining why
Focuses on the role of the factor in determining the outcome, shifting the emphasis to decision-making.
a critical determinant of why
Emphasizes the decisive nature of the factor in influencing the result, increasing formality.
a vital ingredient in the reason why
Uses 'ingredient' metaphorically to suggest the factor is essential, adding vividness.
a key consideration for the reason why
Highlights the importance of considering the factor when explaining the reason, shifting the focus to evaluation.
FAQs
How can I use "a key factor in why" in a sentence?
Use "a key factor in why" to introduce a significant reason or cause behind a particular event or situation. For example, "Limited resources were "a key factor in why" the project experienced delays".
What can I say instead of "a key factor in why"?
You can use alternatives like "a primary reason for", "a major contributor to why", or "an important element in explaining why", depending on the context.
Is it redundant to say "a key factor in why"?
While some may find it slightly verbose, "a key factor in why" is grammatically sound and emphasizes that the identified factor is particularly important in explaining the reason. Alternatives like "primary reason for" might be more concise.
What's the difference between "a key factor in why" and "a key factor of"?
"A key factor in why" is used to explain the cause of something, whereas "a key factor of" describes a characteristic or component. For example, "Innovation is "a key factor of" our success", not "in why".
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested