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
and tested on
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "and tested on" is correct and usable in written English.
It can be used when referring to subjects or items that have undergone a testing process to evaluate their performance or effectiveness. Example: "The new software was developed and tested on various operating systems to ensure compatibility."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
been designed tested and
being tested and used
has been tried and tested
done and tested
be designed and tested
tested and approved
tested and understood
tested and found
be tested and treated
has been designed and tested
has been tested and proven
been tested and vetted
be tested regularly and
been tried and tested
been tested and proven
been tested and utilized
tried and tested formula
fabricated and rigorously tested
is a tried and tested method
designed and rigorously tested
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
60 human-written examples
Each time, the system trained on three subsets and tested on one subset.
The classifiers were trained on 9 subsets and tested on the remaining one.
Science
We next trained the model on one genome data and tested on another.
Science & Research
It was tried and tested on many a rock star.
News & Media
Optimal molecules were synthesized and tested on infected cells.
The system is implemented and tested on Altera DE2.
The state requires that all plans be updated and tested on a regular basis.
News & Media
Each new dish has to be cooked and tested, on land and on a ship.
News & Media
They need an understanding of economics, backed by data and tested on real-world problems.
Academia
This mixture of cocoa butter and jasmine was concocted on his wife's stove and tested on his own bald head.
News & Media
Alternatively cars can be equipped with complex instruments connected to their exhausts and tested on real roads.
News & Media
Expert writing Tips
Best practice
When describing the validation process of a new product or method, use "and tested on" to clearly indicate that testing was performed on specific subjects or materials.
Common error
Avoid using prepositions other than "on" after "tested" when the intention is to specify the subject of the testing. For example, "tested with" might imply the use of a tool during testing, rather than the subject being tested.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "and tested on" functions as a verb phrase followed by a preposition, typically used to indicate that a subject has undergone a process of evaluation or validation. Ludwig examples show its use across various disciplines to specify what or whom was subjected to testing.
Frequent in
Science
60%
News & Media
20%
Academia
10%
Less common in
Wiki
5%
Formal & Business
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "and tested on" is a common and grammatically sound construction used to indicate the subject of a testing process. As Ludwig AI confirms, its primary function is to specify what has been evaluated or validated. Appearing most frequently in scientific and news contexts, "and tested on" maintains a neutral register suitable for a wide range of applications. When using this phrase, ensure that "on" is the appropriate preposition to accurately convey that the preceding subject underwent the testing procedure.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
and evaluated on
Replaces "tested" with "evaluated", focusing on the assessment aspect.
and assessed on
Uses "assessed" instead of "tested", highlighting the judgment or appraisal element.
and validated on
Emphasizes the verification aspect using "validated" instead of "tested".
and experimented on
Focuses on the experimental aspect using "experimented on" to show testing.
and trialled on
Employs "trialled" which is a synonym for tested. Especially useful in British English.
and verified on
Replaces "tested" with "verified", focusing on ensuring correctness.
and checked on
Uses "checked" for a simpler form of testing, implying a basic assessment.
and examined on
Emphasizes a closer inspection or study, replacing "tested" with "examined".
and investigated on
Implies a deeper, more thorough form of testing using "investigated".
and put through its paces on
Replaces "tested" with the idiomatic expression of being "put through its paces", meaning being tested thoroughly.
FAQs
How can I use "and tested on" in a sentence?
Use "and tested on" to indicate that something has undergone testing to assess its performance or effectiveness, for example, "The prototype was developed "and tested on" various platforms".
What's a formal alternative to "and tested on"?
For a more formal tone, consider using "and evaluated on" or "and assessed on", which suggest a more comprehensive evaluation process.
What's the difference between "and tested on" and "and tested with"?
"And tested on" indicates the subject of the test, while "and tested with" specifies the tool or method used during testing. For example, "The drug was tested on animals" versus "The drug was tested with a new assay".
Is it correct to say "and tested for" instead of "and tested on"?
While "and tested for" is grammatically correct, it implies a search for a specific attribute or substance, rather than a general evaluation. Use ""and tested on"" when referring to the subject that underwent the testing procedure.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested