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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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demonstrates proficiency in

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "demonstrates proficiency in" is correct and usable in written English.
It can be used when describing someone's skills or abilities in a particular area or subject. Example: "The candidate's resume clearly indicates that she demonstrates proficiency in data analysis and statistical software."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

He demonstrates proficiency in Christian writings, and in addition, he recognizes the internal tension within Christianity between the papacy and the Roman Empire.

Science

SEP

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

(In 2011, at P. S. 290, 88.9 percent of students were proficient in reading, and 92.9 percent demonstrated proficiency in math. The citywide averages for the subjects were 43.9 percent and 57.3 percent).

News & Media

The New York Times

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

The New York Times

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

The New York Times

On state Mastery Tests last year, 82percentt of fourth-graders demonstrated proficiency in math, 70percentt in reading and 85percentt in writing, versus 85, 66 and 86 statewide.

News & Media

The New York Times

A 1999 report by the College Board found that only one in 10 students demonstrating proficiency in math and science are Hispanic or black.

News & Media

The New York Times

The current exam requires applicants to demonstrate proficiency in English by reading a single sentence out loud and then writing a sentence dictated by the test giver.

News & Media

The New York Times

According to Dr. Daniel Jones, the chief of minimally invasive surgery at Beth Israel Deaconess, his hospital is the only one in the country to require surgical residents to demonstrate proficiency in simulated procedures in order to advance to the next year.

News & Media

The New Yorker

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

The New York Times

They must demonstrate proficiency in English, and would have to pay a fine of $5,000 if the citizens board lets them stay.

News & Media

The New York Times

One permits states to issue a broad certification for science teachers, instead of requiring teachers to demonstrate proficiency in each branch that they teach, like chemistry, biology or physics.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Use "demonstrates proficiency in" to highlight proven skills and abilities supported by evidence or examples.

Common error

Avoid using "demonstrates proficiency in" in casual conversation; opt for simpler alternatives like "is good at" or "excels in" for a more natural tone.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "demonstrates proficiency in" functions as a verb phrase used to describe someone's ability or skill level in a particular area. Ludwig AI indicates that this phrase is appropriate and usable in written English.

Expression frequency: Common

Frequent in

Science

30%

News & Media

25%

Formal & Business

20%

Less common in

Wiki

15%

Encyclopedias

5%

Reference

5%

Ludwig's WRAP-UP

In summary, the phrase "demonstrates proficiency in" is a grammatically correct and frequently used expression to highlight competence in a specific area. Ludwig AI confirms its validity for use in written English. This phrase is most commonly found in scientific, news, and formal business contexts. While suitable for professional and formal communication, simpler alternatives may be more appropriate for informal settings. When employing this phrase, ensure that it is supported by evidence and examples to validate the claimed proficiency.

FAQs

What does it mean to "demonstrate proficiency in" something?

To "demonstrate proficiency in" something means to show a high level of skill, competence, or expertise in that particular area through practical application or evidence.

How can I "demonstrate proficiency in" a skill on my resume?

You can "demonstrate proficiency in" a skill on your resume by providing specific examples of how you have used that skill in previous roles, quantifying your achievements whenever possible.

What are some alternatives to saying "demonstrates proficiency in"?

You can use alternatives like "shows competence in", "exhibits mastery of", or "displays expertise in" depending on the specific context and desired nuance.

Is "demonstrates proficiency in" appropriate for formal writing?

Yes, "demonstrates proficiency in" is suitable for formal writing, especially in academic, professional, and technical contexts where a clear and precise expression of skill level is required.

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Source & Trust

82%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: