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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
it was a criterion
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it was a criterion" is not correct in standard English usage.
The word "criterion" is singular, and the correct form should be "it was a criterion" when referring to one standard or principle. Example: "In evaluating the candidates, it was a criterion that they had relevant experience in the field."
⚠ May contain grammatical issues
News & Media
Science
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
3 human-written examples
It was a criterion by which this court evaluated the voluntariness of the confession, so you are suggesting that what Miranda is is not a substantive rule governing police conduct, but simply a rule that the court has adopted for all federal courts as to how federal courts will procedurally determine, for purposes of admitting evidence, whether the confession was voluntary.
News & Media
Although some positions in the companies listed in Table 3 do not require English proficiency, the interviewees in general found English very beneficial for the future development of their companies and it was a criterion for evaluating personnel work performance or for considering promotions.
Science
All of the selected studies, as expected because it was a criterion for inclusion, confirmed tobacco abstinence by some biochemical test.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Richard Mantle, general director of Opera North, said "the physicality of performers" had become more of an issue for opera directors, but it was a criteria applied to both male and female singers.
News & Media
It's a criterion to remember on the weekend of action-oriented snap judgments.
News & Media
Sir John Pope-Hennessey, director of the V and A, stresses that it is a criterion of the museum that everything in it must be a work of art, and this criterion must apply to costume... "the museum shares Mr Beaton's belief that style in dress is an art form, worthy to be collected and displayed".
News & Media
You see, I was on "Top Chef: the Cruise," based on a show in which a plate's visual presentation is so essential that it is a criterion by which a chef is measured throughout a season-long competition.
News & Media
It is a criterion of quality care.
Science
For the purpose of comparing different data, half-lives should thus be normalised to a defined temperature since it is a criterion which strongly influences the outcome of a degradation test and, furthermore, is quantifiable unlike other related criteria such as differences in microorganism populations.
History of apnoea was excluded from the model as it is a criterion for mechanical ventilation.
Science
For HD and NHL, BMI affects the tumor stage and the prognosis, as it is a criterion for Ann Arbor stage IV.
Science
Expert writing Tips
Best practice
Use the correct singular or plural form of "criterion" based on the context. If you're referring to one standard, "criterion" is appropriate; for multiple standards, use "criteria".
Common error
Avoid using "criteria" when referring to a single standard. "Criterion" is singular and should be used when only one measure is applied. For example, use "It was a significant criterion" instead of "It was a significant criteria".
Source & Trust
87%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it was a criterion" primarily functions as a predicate nominative, identifying a specific standard or measure. Ludwig AI indicates grammatical issues. The examples provided demonstrate its use in contexts where a particular element serves as a determining factor or benchmark.
Frequent in
Science
66%
News & Media
33%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "it was a criterion" is used to identify a specific standard or measure. However, Ludwig AI suggests that this phrase is not correct in standard English. While examples exist across news and scientific domains, it's crucial to ensure grammatical precision by using the correct singular or plural form of "criterion". Alternatives like "it served as a benchmark" or "it functioned as a standard" may provide better clarity and grammatical correctness in certain contexts. When in doubt, always verify that the intended meaning is accurately and grammatically conveyed.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it served as a benchmark
Replaces "criterion" with "benchmark", emphasizing a standard of comparison.
it functioned as a standard
Substitutes "criterion" with "standard", highlighting a rule or principle.
it acted as a requirement
Replaces "criterion" with "requirement", stressing a necessary condition.
it was a key factor
Uses a broader term "key factor", indicating importance without specifying a strict rule.
it constituted a basis
Emphasizes that something formed the underlying reason or support.
it formed a guideline
Indicates that something served as a general rule or principle.
it represented a measure
Highlights that something was used to assess or evaluate.
it provided a yardstick
Offers a more figurative alternative to "criterion", suggesting a means of evaluation.
it was considered a parameter
Employs a more technical term, "parameter", implying a variable or limit.
that was the determining factor
Highlights the critical and decisive nature of a particular factor
FAQs
What is the correct way to use "criterion" in a sentence?
"Criterion" is a singular noun, so use it when referring to a single standard. For example, "Experience "was a criterion" for the job".
Should I use "criterion" or "criteria"?
Use "criterion" when referring to a single standard or principle. Use "criteria" when referring to multiple standards or principles. For instance, "The main "criteria were" experience and education".
What can I say instead of "it was a criterion"?
Alternatives include "it was a standard", "it was a benchmark", or "it served as a basis", depending on the specific context.
What's the difference between "criterion" and "requirement"?
A "criterion" is a standard or principle used to judge something. A "requirement" is a necessary condition that must be met. While similar, a requirement is more about necessity, while a criterion is about judgment. You can say "it was a requirement" if that's really what you mean.
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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
87%
Authority and reliability
3.8/5
Expert rating
Real-world application tested