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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
none observed
Grammar usage guide and real-world examplesUSAGE SUMMARY
"none observed" is a perfectly valid and usable phrase in written English.
It is often used when emphasizing the absence of something. For example, "During the swim, no dolphins were observed - only seagulls, sea lions, and penguins."
✓ Grammatically correct
Science
News & Media
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
9 human-written examples
Among 3 studies reporting length of stay, none observed a difference.
Science
They appeared at intervals the whole way up the river, but none observed were more than three feet or three feet six inches long.
Science & Research
The internal report from March 1 , 2010 shortly before the accident, noted a problem with water sprayers, while the official report stated flatly "none observed" in the column for hazardous conditions.
News & Media
Species richness of other common Caribbean reef fish families was also relatively low on Saba Bank (Gerreidae, none observed; Sparidae,1 species; Lutjanidae, 3 species) - many of which require either seagrasses and/or mangroves as "nursery areas" [11], [41], [42].
Science
Multicollinearity was investigated but none observed.
Science
None observed during this period was related to ovarian cancer symptom awareness.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
None of these properties have a clear connection to cell morphology changes and in S. pombe, none are observed.
Above 250 nm, the variation declines further until none is observed above ∼290 nm.
Science
"Bleaching events have occurred repeatedly since the late 1970s while none were observed before the 1970s," Steffen said.
News & Media
None was observed at Chinese firms listed in America without using RTs.
News & Media
Aged conventional inserts showed delaminations, whereas none were observed in the unaged conventional and aged cross-linked inserts.
Science
Expert writing Tips
Best practice
Use "none observed" when you want to clearly and concisely state that something was not found or detected during an observation or investigation. It's suitable for formal reports, scientific papers, and technical documentation.
Common error
Avoid using "none observed" in casual conversation or informal writing. It can sound overly formal or stilted. Instead, opt for simpler alternatives like "didn't see anything" or "nothing was there".
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "none observed" primarily functions as a concise statement of absence or lack of detection. It is often used in reports, surveys, and scientific contexts to indicate that something was not found or witnessed. As Ludwig AI confirms, it is considered grammatically correct and acceptable.
Frequent in
Science
70%
News & Media
20%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "none observed" is a concise and grammatically correct way to indicate the absence of something during an observation or investigation. As Ludwig AI confirms, it is most commonly found in scientific and technical writing, where its formality and precision are valued. While "nothing was observed" is a viable alternative, "none observed" maintains a distinct presence in formal contexts. When employing this phrase, consider the register of your writing and whether a more casual expression might be more appropriate.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
nothing was detected
Focuses on the lack of detection, particularly in technical contexts.
nothing was noticed
Emphasizes a lack of visual or sensory perception.
no findings were made
Highlights the absence of conclusive results from an investigation.
no instances were found
Stresses the absence of specific occurrences or examples.
nothing came to light
Implies a lack of discovered information or hidden details.
no one witnessed
Focuses on the absence of people seeing something happen.
no presence was established
Emphasizes a lack of confirmed existence or physical presence.
it went unnoticed
Highlights the fact that something wasn't paid attention to.
there was nothing to see
Suggests a lack of visually interesting or important elements.
nothing presented itself
Emphasizes a lack of opportunity or something coming forth.
FAQs
How can I use "none observed" in a sentence?
Use "none observed" to indicate the absence of something specific during observation. For instance, "During the experiment, "none observed" in the control group showed any adverse effects".
What's a more casual way to say "none observed"?
In informal contexts, you can replace "none observed" with phrases like "didn't see any", "saw nothing", or "nothing was there".
Is it better to say "nothing was observed" or "none observed"?
Both "nothing was observed" and ""none observed"" are grammatically correct, but "nothing was observed" may sound slightly more natural in some contexts. "None observed" is often used in tables or brief reports.
When is it appropriate to use the phrase "none observed"?
Use ""none observed"" in formal writing, scientific reports, and technical documentation when reporting the absence of something specific during an observation or investigation.
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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
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested