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
change was noticed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "change was noticed" is correct and usable in written English.
It can be used when indicating that a change has been observed or recognized in a particular context. Example: "After the new policy was implemented, a significant change was noticed in employee productivity."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
14 human-written examples
"Do they want to look cheaper?!" When the change was noticed, toward the end of August, Twitterers twitted mercilessly: "Words can't describe my disgust," read one from Melbourne, Australia.
News & Media
No obvious change was noticed in 3 h due to saturation in 2 h.
Science
However, in Aβ1 11 and Aβ23 33, no secondary structural change was noticed even at high SDS concentrations.
Science
A profile change was noticed in sorbitol consumption and product formation throughout the sequential batches, as shown in Figure 4.
Science
No significant change was noticed in the band intensity of pUC19 plasmid after its treatment with Con A layered ZnO-NP.
Science
At pH 3, there was no significant difference observed between the silanized sample and the pSi-pDEAEA, but a significative change was noticed at pH 9.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
46 human-written examples
The retailer's shops are the bedrock of high streets in towns and cities across the country, and have been for years, so any change is noticed by the locals.
News & Media
It is observed that with the change in the propagation direction, lower modes appear to have more influence than the higher modes where a small change is noticed.
It is also observed that with the change in the propagation direction, lower modes appear to be highly influenced than the higher modes, where a small change is noticed.
In terms of efficiency: Observable change is noticed in the school environment for appropriate learning: clean, green areas, flower beds, reduction of the distance between teachers and students.
Formal & Business
The W line changes were noticed by B line subway train operators over the last few weeks, as they began to review their service assignments for the upcoming months.
News & Media
Expert writing Tips
Best practice
Use "change was noticed" when you want to passively indicate that a change has been observed without necessarily specifying who noticed it. This is useful in formal or scientific writing where objectivity is important.
Common error
While "change was noticed" is grammatically correct, overuse of the passive voice can make your writing sound weak. Consider using the active voice if it's more appropriate and clearer to state who noticed the change (e.g., 'Researchers noticed a change').
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "change was noticed" functions as a passive construction, indicating that a change occurred and was observed. As Ludwig AI suggests, it's grammatically sound. Examples show it used across different contexts.
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, "change was noticed" is a grammatically correct phrase used to passively report the observation of a change. Ludwig AI confirms its correctness and usability. It appears most frequently in scientific contexts but is also found in news media and formal business writing. While suitable for formal communication, consider using active voice for directness. Alternative phrases include "a change was observed" and "a change was detected". The phrase's frequency is uncommon, making it a reliable but not overly prevalent choice for expressing observed alterations.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a change was observed
Replaces "noticed" with "observed", maintaining a formal and objective tone.
a change was detected
Substitutes "noticed" with "detected", suggesting a more technical or scientific observation.
the change was apparent
Focuses on the clarity or obviousness of the change.
the alteration was noted
Uses "alteration" instead of "change" and "noted" instead of "noticed", adding a slightly more formal tone.
the shift was recognized
Emphasizes the recognition of a shift or transformation.
it was noted that a change occurred
Restructures the sentence to emphasize the act of noting the change.
attention was drawn to a change
Highlights that something directed the attention to the change.
a difference became evident
Indicates that a difference emerged and became clear.
one could observe a change
Specifies the possibility of observing a change.
the variation was seen
Uses "variation" and "seen" to express the observed change.
FAQs
How can I rephrase "change was noticed" to be more active?
You can rephrase "change was noticed" in the active voice by specifying who noticed the change, such as "Researchers noticed a change" or "Observers noted the change". This makes the sentence more direct and often clearer.
What's the difference between "change was noticed" and "a change was observed"?
While both phrases are similar, "change was noticed" implies that the change was brought to someone's attention, whereas "a change was observed" suggests a more formal or scientific observation. They're largely interchangeable, but context matters.
Is "change was noticed" formal or informal?
"Change was noticed" is generally considered to be neutral to formal, suitable for academic, scientific, or professional writing. In informal contexts, a more direct phrasing might be preferred.
What are some synonyms for "change was noticed"?
Synonyms for "change was noticed" include "a change was detected", "the change was apparent", and "the alteration was noted". The best choice depends on the specific context and desired nuance.
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
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested