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
trials were run
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "trials were run" is correct and usable in written English.
It can be used in contexts related to experiments, research, or testing where multiple trials or tests have been conducted. Example: "In the study, several trials were run to determine the effectiveness of the new drug."
✓ Grammatically correct
Science
News & Media
Alternative expressions(4)
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
Four trials were run per day for 4 d; averages of the four trials on day 4 are presented.
Science & Research
Laboratory and field trials were run on these stills in Southern New Mexico, USA, by New Mexico State University.
Science
Full trials were run for 48 h at 10 °C with a Pseudomonas fluorescens strain to identify the preferential biofilm formation areas.
Based on the agglomeration behavior of the NPs, greenhouse trials were run using commercial soil, for nano-TiO2, and Hoagland's solution, for AgNP.
Two-hour trials were run in a laboratory experimental arena to determine time allocation between a food station located under a heavy radiant heat source (2500 W/m2) and the rest of the arena, including a cool burrow.
Science
Over 100 independent trials were run.
For both the software and hardware programs, five trials were run.
Trials were run during this past summer and stories were posted a special mobile journalism section of Reuters' main website.
News & Media
The trials were run on a single node with two Intel Xeon E5-2697v2 12coram 128Gb ram [26].
Science
For all three procedures, d' was set to 1.4, the overall decision criterion was set to 1.7, and 100,000 simulated trials were run.
Woosley suggests that if trials were run by the government, fewer safeguards would be needed to make sure they are done honestly, actually decreasing cost.
News & Media
Expert writing Tips
Best practice
When describing experiments, use the active voice where possible to enhance clarity. For example, instead of saying "trials were run", consider "researchers ran trials".
Common error
Avoid overuse of the passive voice. While "trials were run" is grammatically correct, active voice constructions (e.g., "the team ran the trials") often make your writing more direct and engaging.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "trials were run" functions as a passive construction, indicating that a series of tests or experiments were conducted. Ludwig AI indicates that the phrase is grammatically correct and usable in written English.
Frequent in
Science
88%
News & Media
8%
Wiki
3%
Less common in
Formal & Business
1%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "trials were run" is a common and grammatically correct passive construction used primarily in scientific and research contexts. As Ludwig AI confirms, it accurately describes the execution of tests or experiments. While it is acceptable, consider using the active voice for a more direct style. Predominantly found in scientific publications, this phrase serves to report the fact that a series of tests has been carried out, as illustrated by the numerous examples available. When writing, balance formality with clarity to optimize your communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
experiments were conducted
Focuses on the broader process of experimentation, rather than the specific execution of trials.
tests were performed
Emphasizes the act of performing tests, suitable when referring to a series of assessments.
studies were executed
Highlights the execution of a study, often implying a more comprehensive investigation.
assessments were carried out
Stresses the completion of assessments, useful when evaluating outcomes.
investigations were undertaken
Indicates a formal inquiry or investigation was initiated and completed.
experiments were implemented
Implies that experiments were put into action, emphasizing the practical aspect.
tests were administered
Focuses on the administration of tests, suggesting a controlled or formal process.
runs were completed
Highlights the completion of multiple runs, particularly in iterative processes.
procedures were enacted
Emphasizes that specific procedures were put into effect, often in a regulated setting.
evaluations were made
Highlights the act of making evaluations, stressing the analytical aspect.
FAQs
How can I rephrase "trials were run" to sound more active?
You can use alternatives like "researchers conducted the trials", "the team executed the trials", or "we ran the trials" to create a more direct and engaging tone.
What is the difference between "trials were run" and "experiments were performed"?
While both phrases indicate that tests or experiments took place, "trials were run" often refers to a specific set of tests within a larger experiment. "Experiments were performed" is a broader statement about conducting experimental procedures.
Is it better to use the active or passive voice when writing about experiments?
Using the active voice (e.g., "we ran the trials") can make your writing clearer and more direct. However, the passive voice (e.g., "trials were run") is appropriate when the actor is unknown or the action is more important than the actor.
What are some contexts where I might use "trials were run"?
This phrase is commonly used in scientific papers, research reports, and news articles to describe experiments, tests, and studies where a series of trials or tests have been conducted. For example, when reporting on medical research or engineering tests.
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
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested