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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
improved not changed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "improved not changed" is correct and usable in written English.
It can be used to indicate that something has been enhanced or made better without altering its fundamental nature. Example: "The software has been improved not changed, maintaining its core functionality while adding new features."
✓ Grammatically correct
Science
News & Media
Alternative expressions(1)
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
Furthermore, we dichotomized the GPE scores into "improved" ("completely recovered" and "much improved") versus "not improved" ("slightly improved", "not changed", "slightly worsened", "much worsened", "worse than ever"), and added a question about treatment satisfaction (also on a seven-point scale).
Science
Ratings on a 7-point scale are dichotomized as improved (completely recovered and much improved) and not-improved (slightly improved, not changed and slightly/much/vastly worsened).
Science
Improved implies completely recovered and much improved, whereas not recovered implies slightly improved, not changed, slightly worsened, much worsened, and worse than ever [ 31].
The categories of improvement included the following: completely recovered, much improved, slightly improved, not changed, slightly worse, much worse, and vastly worsened.
Four nuclear medicine physicians independently assigned extension and intensity scores utilizing both methods, and separately recorded their impression of whether the post-therapy scan had improved, not changed, or worsened.
Academia
All patients allocated to the intervention group were asked to rate the clinical effect after 12 weeks (improved, not changed, aggravated).
Human-verified similar examples from authoritative sources
Similar Expressions
52 human-written examples
Television, 80 years old, and radio have improved but not changed over time.
News & Media
Clearly if outcomes are improved or not changed and costs are reduced, a technology will be economically efficient.
Responses are defined as 1 = greatly improved; 2 = improved; 3 = not changed; 4 = worsened.
As the resultant data are dependent on too many additional factors, in the study we placed special emphasis on the comparison between the results from the first, second, and third examinations and on the assessment whether they have been changed or improved, not merely whether they fell within the standard.
The main findings of our study were that an in-hospital program dedicated to sepsis, including health-care personnel education and specific process changes, improved not only the adherence to evidence-based guidelines in clinical practice, but also the survival rate of patients with severe sepsis and septic shock admitted to the ICU.
Science
Expert writing Tips
Best practice
Use "improved not changed" to emphasize that while something is better, its fundamental nature or core functionality remains the same. This can be useful in technical documentation or product descriptions where backward compatibility is important.
Common error
Avoid using "improved not changed" when the changes are actually substantial or transformative. This phrase is most effective when the core aspects remain consistent despite enhancements. If there are substantial modifications, other expression should be preferred.
Source & Trust
80%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "improved not changed" functions as a qualifying statement, indicating that enhancements or advancements have occurred without altering the fundamental nature of something. Ludwig AI validates that phrase indicates an improvement that has not affected the core nature of the object under analysis.
Frequent in
Science
60%
News & Media
30%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "improved not changed" is a grammatically correct and neutrally registered expression that balances progress with stability. Predominantly found in scientific and news contexts, this phrase serves to communicate that while enhancements have been implemented, the fundamental nature remains consistent. Ludwig AI confirms its usability in written English, highlighting its role in emphasizing enhancements without alterations. When using this phrase, ensure the context accurately reflects improvements that have not fundamentally altered the subject, and consider alternatives like "enhanced but unaltered" for nuanced communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
enhanced but unaltered
Emphasizes that while there's enhancement, the core aspects remain the same.
bettered without modification
Highlights the improvement while confirming no modifications were made.
progressed without alteration
Focuses on the progress achieved, stressing that the fundamental form hasn't changed.
advanced but unchanged
Indicates advancement while the base state remains consistent.
refined but not transformed
Suggests refinement occurred, stopping short of a complete transformation.
ameliorated but constant
Implies that something has gotten better, while staying constant.
developed without shifting
Indicates development, but no shift of characteristics.
evolved without conversion
Suggests there's been some evolution while there was no conversion.
augmented but unmodified
Highlights that augmentation happened, but there was no modification.
boosted without varying
Focuses on boosting, stressing that the original state hasn't varied.
FAQs
How can I use "improved not changed" in a sentence?
You can use "improved not changed" to show that something has become better, but its fundamental aspects have remained constant. For example, "The software's performance has "improved not changed"; the core functionality is still the same."
What are some alternatives to "improved not changed"?
Alternatives include "enhanced but unaltered", "bettered without modification", or "progressed without alteration". Each of these alternatives highlight that improvements have been made, but the underlying characteristics have remained constant.
When is it appropriate to use "improved not changed" versus other phrases?
"Improved not changed" is most appropriate when you want to emphasize that while there have been enhancements, the fundamental aspects have not been altered. Other phrases like "completely overhauled" or "transformed" would be more suitable if the changes were substantial.
Is "improved but not changed" grammatically different from "improved not changed"?
No, "improved but not changed" is grammatically correct as well. Both options are valid, but "improved not changed" is slightly more concise. The inclusion of "but" does not alter the meaning of the phrase.
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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
80%
Authority and reliability
4.3/5
Expert rating
Real-world application tested