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 one time test
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a one time test" is correct and can be used in written English.
You can use the phrase when you are describing something that only happened once, or that happened as a singular event. For example, "The student had to take a one time test to prove their mastery of the material."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
a single test
a unique test
a solitary test
a one-off test
a one time verification
a one hour test
a one time audit
a one time chance
a one session test
a one time evaluation
a one time requirement
a one time trial
a one time examination
a one time experiment
a one time exam
a one month test
a one time analysis
a one stage test
a one time experimental
a one time screening
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
1 human-written examples
Nevertheless, there is little direct evidence to support such a combined approach over annual or biennial FOBT, which is more sensitive than a one time test.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Councilman John C. Liu pressed Mr. Liebman about whether the grades were based primarily on a one-time test.
News & Media
All Blacks beat Fiji, 60-14 Novice fly-half Colin Slade scored a try among 19 points as New Zealand marked 50 days to the start of the Rugby World Cup with a lackluster 60-14 win over Fiji in a one-time test on Friday, The Associated Press reported from Dunedin, New Zealand.
News & Media
That was a one-time test and was not repeated.
News & Media
Perhaps for that reason, the airline is playing down the significance of the inaugural flight from Oakland to Baltimore and back, calling it a one-time test.
News & Media
It is far simpler to conduct a one-time test to detect a specific type of bacteria, and a North Carolina company plans to market a home test for anthrax this year for about $25.
News & Media
BUENOS AIRES — Felipe Contepomi scored a career-best 31 points to lead Argentina to a record 41-13 thrashing of France in a one-time test match at José Alamfitani Stadium.
News & Media
That finding put it at odds with the Centers for Disease Control and Prevention, which had said a few months earlier that all people born between 1945 and 1965 should be offered a one-time test to see if they are infected with the hepatitis C virus.
News & Media
Because baby boomers, those born from 1945 through 1965, are six times more likely than other Americans to be infected with hepatitis C, CDC recommends that everyone in the baby boom generation get a one-time test for the virus.
News & Media
Circumcision clinics may represent a one-time testing opportunity for single men.
In summary, repeat testing (versus one time tests) might further divide the population into low risk and high risk for incipient precancerous lesions.
Science
Expert writing Tips
Best practice
When using "a one time test", ensure the context clearly indicates why the test is being conducted only once and what implications that has for the subject or system being tested.
Common error
Avoid using "a one time test" when the situation requires continuous monitoring or repeated assessments. If ongoing evaluation is needed, consider using phrases like "periodic testing" or "regular monitoring" instead.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a one time test" functions as a noun phrase that acts as a direct object or subject complement, specifying the nature of the test as being conducted only once. Ludwig AI confirms that this phrase is grammatically correct and commonly used.
Frequent in
Science
44%
News & Media
41%
Formal & Business
15%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a one time test" is a grammatically sound and frequently used phrase denoting a test conducted only once. According to Ludwig AI, this phrase is indeed correct and useful in writing. Its neutral register makes it suitable for diverse contexts, notably in science, news, and formal communication. When using this phrase, ensure that the single instance of testing is clearly justified within the context. Considering alternatives like "a single test" or "a unique test" can add nuance to your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a single test
Emphasizes the singularity of the test, similar to the original phrase.
a unique test
Highlights the test's distinctiveness or that it is not repeated.
a solitary test
Focuses on the isolated nature of the testing event.
a one-off test
Uses an informal term to convey the non-recurring aspect of the test.
a single administration of a test
More formal and explicit about the test being given only once.
a non-recurring test
Highlights that the test is not part of a series or repeated assessment.
a one-time evaluation
Substitutes "test" with the more general term "evaluation", maintaining the 'one-time' aspect.
a single attempt test
Focuses on the test as representing a single attempt or opportunity.
a once-only test
Emphasizes that the test is performed only once.
a first and final test
Highlights the test is the first and last occurrence of the assessment.
FAQs
How can I use "a one time test" in a sentence?
You might say, "The Centers for Disease Control recommends a "a one time test" for Hepatitis C for baby boomers" to emphasize a single screening recommendation.
What are some alternatives to "a one time test"?
Consider using phrases like "a single test", "a unique test", or "a solitary test" depending on the nuance you wish to convey.
Is it appropriate to use "a one time test" in formal writing?
Yes, "a one time test" is appropriate in formal writing. The appropriateness depends more on the context and clarity of your message than on the phrase itself.
What does "a one time test" imply about the testing process?
It implies that the test is conducted only once, without repetition or follow-up testing, which might be due to cost, practicality, or the nature of the information being sought.
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
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested