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 portion of the test
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a portion of the test" is correct and usable in written English.
It can be used when referring to a specific part or segment of a larger test or examination. Example: "The students were only required to complete a portion of the test to pass the course."
✓ Grammatically correct
Science
News & Media
Alternative expressions(19)
a portion of the sample
a portion of the survey
a result of the survey
part of the sample
some of the sample
a segment of the sample
a fraction of the sample
a piece of the sample
a subset of the sample
a representative sample
a portion of the material
a portion of the model
a portion of the size
a portion of the water
a percentage of the sample
a part of the sample
a portion of the template
a portion of the standard
a ratio of the sample
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
6 human-written examples
"What they do is collect the motorists' fees and they pay a portion of the test fee for the equipment, training and management".
News & Media
Tom Ewing, a spokesman for the testing service, which is responsible for security issues involving the College Board's college admissions exam, said an investigation had shown that an unknown number of students had seen at least a portion of the test before the exam was given on Jan . 27
News & Media
(B) Example of application to a portion of the test set.
In panel B, a portion of the test data is shown.
A specimen was considered to be a mixed failure when a portion of the test surfaces exposed and others had increments of retained resins.
Science
Because each student responded to only a portion of the test items, a multiple imputation technique was used to create five sets of plausible values of reading scores for the whole sample (Foy et al. [2007]).
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
A portion of the Fresno test of competence in EBM was used to assess EBM skills.
Science
A portion of the blood was tested for both TnT and H-FABP, irrespective of the ECG findings.
At 24 months, 104 individuals (55%) returned for all or a portion of the follow-up testing.
Twelve of 13 studies reported that atrazine exposure increased amphibian or fish locomotor activity over at least a portion of the concentration gradient tested (Table 2).
According to the 2014 Home Office guidance on scientific procedures on animals, procedures which are considered to cause only "moderate pain and distress" can include, for example, surgical procedures such as craniotomy (removing a portion of the skull), "chronic toxicity tests" as long as they do not result in death, and using "metabolic cages" to restrict an animal's movement for up to 5 days.
News & Media
Expert writing Tips
Best practice
When using "a portion of the test", ensure the context clearly indicates which specific part of the test is being referred to, especially if the test has distinct sections or components. For instance, "a portion of the test focused on vocabulary".
Common error
Do not use "a portion of the test" without specifying which part you are referring to, as this can cause confusion. For example, instead of saying "a portion of the test was difficult", specify "the reading comprehension portion of the test was difficult".
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a portion of the test" functions as a noun phrase, typically serving as the subject or object of a sentence. It identifies a specific part or segment of an overall examination or assessment. Ludwig AI confirms its correct usage in various contexts.
Frequent in
Science
46%
News & Media
39%
Wiki
9%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a portion of the test" is a grammatically correct and widely used phrase that refers to a specific part or section of an examination or assessment. As indicated by Ludwig, this phrase functions as a noun phrase and is commonly found in both scientific and news contexts, with a neutral register making it suitable for various writing styles. When using this phrase, it's important to provide context to specify which section of the test you are referring to. Alternatives such as "part of the test" or "section of the test" can be used to convey a similar meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
part of the test
Replaces "portion" with the more common "part", resulting in a slightly less formal tone.
section of the test
Substitutes "portion" with "section", emphasizing a distinct division within the test.
segment of the test
Uses "segment" instead of "portion", highlighting a clearly defined piece of the test.
piece of the test
Replaces "portion" with "piece", suggesting a smaller, less formal part of the test.
component of the test
Uses "component" instead of "portion", focusing on an essential element of the test.
element of the test
Substitutes "portion" with "element", emphasizing a fundamental aspect of the test.
aspect of the test
Replaces "portion" with "aspect", focusing on a particular feature or characteristic of the test.
fraction of the test
Uses "fraction" instead of "portion", indicating a numerical part of the test.
percentage of the test
Substitutes "portion" with "percentage", highlighting a quantifiable share of the test.
some of the test
Replaces "a portion of" with "some of", resulting in a more general and less precise reference.
FAQs
How can I use "a portion of the test" in a sentence?
You can use "a portion of the test" to refer to a specific part or section of an examination. For example, "A portion of the test covered grammar rules, while another section focused on vocabulary".
What can I say instead of "a portion of the test"?
Alternatives include "part of the test", "section of the test", or "segment of the test" depending on the context.
Is it correct to say "a portion from the test"?
No, the correct phrasing is "a portion of the test". The preposition "of" is necessary to indicate that you're referring to a part of the whole test.
What's the difference between "a portion of the test" and "the whole test"?
"A portion of the test" refers to a specific part or section of the test, while "the whole test" refers to the entire examination or evaluation.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested