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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
were not ascertained
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "were not ascertained" is correct and usable in written English.
It can be used in contexts where information or details have not been determined or confirmed. Example: "The exact reasons for the delay were not ascertained during the investigation."
✓ Grammatically correct
Science
Alternative expressions(18)
were not identified
were not discovered
were not found
remained unknown
could not be established
were not known
were not acknowledged
were not secured
did not surface
remained undetected
were missing
proved elusive
could not be located
were not enough
have not been found
were absent
were not indicated
were not understood
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
47 human-written examples
However, significant differences in FABP7 levels by 21-day mortality were not ascertained after adjusting for significant covariates reflecting severity of illness (MELD, vasopressor dependence).
Science
However, significant differences in FABP7 levels by 21-day mortality were not ascertained after adjusting for significant covariates (reflecting severity of illness).
Science
Non-Anabaptist cases were previously enrolled on the basis of a diagnosis of bipolar I or schizoaffective bipolar disorder, and many were not ascertained in hospital settings (Potash et al. 2007).
Families were not ascertained based on any phenotype.
Science
A self-administered questionnaire was completed at enrollment for measurement of baseline characteristics, however interval behavioral data were not ascertained.
Science
To be consistent with notation used throughout this work, from this point forward we label the Taiwanese samples as "controls" and the Caucasian samples as "cases", although individuals in this study were not ascertained for any particular disease phenotype.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
13 human-written examples
Even if we were not ascertaining actual behaviour, we can assume that activist young men were less likely to engage in IPV compared to ordinary young men.
Science
"A lot of that income – an increasing share of it, in fact – is not ascertained in the I.R.S. statistics that Piketty-Saez use to measure income.
News & Media
These microorganisms are not established and hence the substrate they degrade and utilize is not ascertained.
However, causal relation of headache aggravation after sumatriptan spray was not ascertained in that study.
However, its physiological significance for other photosynthesizing organisms, including higher plants, is not ascertained finally [11].
Science
Expert writing Tips
Best practice
Use "were not ascertained" in formal writing when you want to emphasize that specific information was actively sought but not successfully obtained. This suggests a degree of investigation or effort was involved.
Common error
Avoid using "were not ascertained" in casual conversation or informal writing. Simpler alternatives like "weren't found" or "didn't know" are usually more appropriate.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "were not ascertained" functions as a passive construction indicating that a specific piece of information or a fact was not successfully determined or discovered. The structure implies that an attempt was made to find or establish the information, but it remained unknown. Ludwig AI confirms its proper usage.
Frequent in
Science
98%
News & Media
1%
Formal & Business
1%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "were not ascertained" is a grammatically correct and frequently used expression, particularly in scientific and formal writing, to indicate that something could not be determined or discovered despite investigation. Ludwig AI supports its use. While common, it should be used judiciously, avoiding overuse in informal contexts where simpler alternatives might be more appropriate. Its formal tone and specific meaning make it suitable for academic papers, research reports, and other documents requiring precise language. Alternatives such as "were not determined" or "were not identified" can be considered for clarity or brevity.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
were not determined
Focuses on the lack of a definitive decision or calculation.
were not established
Emphasizes the absence of confirmation or proof.
were not identified
Highlights the failure to recognize or detect something.
were not discovered
Implies an unsuccessful attempt to find or learn something.
were not found
Suggests a lack of physical or abstract location.
remained unknown
Highlights that the information never came to light.
were not investigated
Focuses on the absence of a formal inquiry or examination.
were not verified
Indicates that something was not validated or confirmed.
were not confirmed
Suggests a lack of support or validation for a statement or fact.
could not be established
Highlights the impossibility of proving or demonstrating something.
FAQs
What does "were not ascertained" mean?
The phrase "were not ascertained" means that something was not definitely determined, discovered, or confirmed. It often implies that some effort was made to find or establish the information, but it was unsuccessful.
When should I use "were not ascertained" in my writing?
Use "were not ascertained" in formal or scientific writing when you want to indicate that information was sought but not successfully obtained. It is appropriate when describing research findings or formal investigations.
What can I say instead of "were not ascertained"?
You can use alternatives like "were not determined", "were not established", or "were not identified" depending on the specific context. These phrases convey a similar meaning while potentially being more accessible to a broader audience.
Is "were not ascertained" the same as "were not assessed"?
While both phrases indicate a lack of information, "were not ascertained" implies a failure to find or establish something after an attempt to do so, while "were not assessed" suggests that something was not evaluated or examined in the first place. The phrases are not interchangeable.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested