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
A demonstrated proficiency
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "A demonstrated proficiency" is correct and usable in written English.
It can be used when referring to a proven skill or ability in a particular area or subject. Example: "The candidate must have a demonstrated proficiency in data analysis to qualify for the position."
✓ Grammatically correct
Academia
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
2 human-written examples
When hiring recent graduates, employers place the greatest priority on a demonstrated proficiency in skills and knowledge that cut across majors.
Academia
The success of these laboratory networks can be attributed to the implementation of standardized procedures and assays, specific training programs as well as a demonstrated proficiency samples.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Professional and assertive with a positive approach to working in a team environment and demonstrated proficiency in managing teams to achieve project objectives.
Academia
As of the 2013 2014 school year, 15 courses and demonstrated proficiency in a foreign language are required under the Core.
Wiki
The first received an A on its most recent report card; 50.4 percent demonstrated proficiency in English, 65.3 percent in math.
News & Media
At the Summit Academy Charter School, which shares a building with the Red Hook Neighborhood School, 18.9 percent demonstrated proficiency in English, 43.8 percent in math.
News & Media
Candidates should have a strong background in computer programming, with demonstrated proficiency in C/C++, Python, or other major languages.
Academia
Or: "We allow students to switch their majors halfway through their junior year only if they've demonstrated proficiency in another subject by declaring it a concentration".
News & Media
In math, 67.3percentt demonstrated proficiency, up from 68.5percentt.
News & Media
More than 90percentt of fourth graders demonstrated proficiency on 2007 reading and math tests.
News & Media
In Mississippi, 89percentt of fourth graders performed at or above proficiency on the state reading test, while only 18percentt demonstrated proficiency on the federal test.
News & Media
Expert writing Tips
Best practice
Use "a demonstrated proficiency" when you want to emphasize that someone's skill or ability has been proven through tangible evidence or performance. Be specific about the area in which proficiency is demonstrated.
Common error
Avoid using "a demonstrated proficiency" in casual conversation or informal writing. Opt for simpler phrases like "proven skill" or "clear ability" for a more natural tone.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a demonstrated proficiency" functions as an adjective phrase modifying a noun, indicating a proven ability or skill in a specific area. As Ludwig AI highlights, this suggests the phrase is grammatically correct and usable in written English.
Frequent in
Academia
33%
News & Media
33%
Science
34%
Less common in
Formal & Business
0%
Wiki
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "a demonstrated proficiency" serves to emphasize proven skills, primarily within formal contexts. Ludwig AI confirms the grammatical correctness and usability of this phrase in written English. While it isn't exceptionally common, its usage is appropriate across academic, scientific, and news contexts. For less formal communication, alternative phrases like "proven skill" or "clear ability" may be more suitable. When aiming for formality, it's important to pair this phrase with specific areas of expertise to maximize its impact.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Proven competence
This phrase is a more concise way of expressing the same concept, focusing on the established ability.
Established skill
This alternative highlights the skill aspect, emphasizing its confirmed and recognized nature.
Verified expertise
This phrase implies a more in-depth and validated level of skill, suggesting specialized knowledge.
Confirmed capability
This alternative focuses on the capability aspect, highlighting the proven ability to perform effectively.
Demonstrable talent
This phrase emphasizes the inherent talent, which has been made evident through performance.
Evident mastery
This alternative suggests a high level of control and understanding, which is clearly apparent.
Practical know-how
This alternative focuses on knowledge that has been applied and tested in real-world situations.
Documented aptitude
This phrase highlights that there's evidence to support the natural ability that one has.
Recognized adeptness
This alternative highlights that one is very skilled and good at something and the ability is also acknowledged by external authorities.
Proficiency on display
This alternative emphasizes that one's abilities can be easily observed.
FAQs
How can I rephrase "a demonstrated proficiency" to sound less formal?
Consider using phrases like "proven skill", "clear ability", or "established expertise" as more accessible alternatives to "a demonstrated proficiency", depending on the context.
What's the difference between "a demonstrated proficiency" and "a potential skill"?
"A demonstrated proficiency" refers to a skill that has been proven through evidence or performance, while "a potential skill" implies a skill that someone is capable of developing but hasn't yet proven. Therefore, "demonstrated proficiency" indicates a certainty, whereas potential skill indicates a possibility.
In what situations is it most appropriate to use the phrase "a demonstrated proficiency"?
The phrase "a demonstrated proficiency" is most appropriate in formal settings such as academic reports, professional evaluations, or job applications where you need to emphasize proven skills and abilities.
What are some skills that might require "a demonstrated proficiency"?
Skills that often require "a demonstrated proficiency" include technical skills (like programming), language skills (like fluency in a foreign language), and professional skills (like project management or data analysis).
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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested