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
the experiment was completed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "the experiment was completed" is correct and usable in written English.
You can use it to indicate that a scientific or research experiment has been finished. Example: "After several weeks of data collection and analysis, the experiment was completed successfully."
✓ Grammatically correct
Science
News & Media
Academia
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
29 human-written examples
At the time, the experiment was completed 2000.
Academia
He died before the experiment was completed, but it was deemed a success.
News & Media
The experiment was completed on board the MASER 13 sounding rocket, launched in December 2015, using a newly developed isothermal solidification furnace.
Science
The experiment was completed in 90 ± 2 days.
The experiment was completed under normal (Earth) gravitational conditions.
Science
** denote residual concentration after the experiment was completed.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
31 human-written examples
The experiment is completed in two phases.
In this paper, the experiment is completed into two phases.
"The experiment is completed in the minds of the visitors," says Höller.
News & Media
Before the experiment is completed, all three levels of spring stiffness will be exposed equally to all three levels of tire pressure, steering geometry, and so forth.
News & Media
Overnight fasting, what is often seen in publications, is definitely too long if it lasts, e.g. from 5 pm to 10 am, until the experiment is completed.
Science
Expert writing Tips
Best practice
When writing scientific reports, use "the experiment was completed" to clearly indicate the end of the experimental process, ensuring readers understand the research phase has concluded. Follow this statement with results and analysis.
Common error
Avoid assuming that completing an experiment automatically implies success. Clearly distinguish between the experiment's completion and whether it achieved the desired outcomes. For example, "the experiment was completed, but the results were inconclusive".
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the experiment was completed" functions as a declarative statement indicating the termination of an experimental procedure. As Ludwig AI confirms, it is grammatically sound and effectively communicates that an experiment has reached its conclusion.
Frequent in
Science
75%
News & Media
15%
Academia
10%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "the experiment was completed" is a grammatically correct and commonly used phrase to indicate that an experimental procedure has finished. As Ludwig AI confirms, it is appropriate for formal and scientific contexts, and is often followed by reports of results and data analysis. While the phrase effectively communicates completion, it's crucial to distinguish completion from success when reporting research outcomes. To enhance clarity, consider alternatives like "the study concluded" or "the research finished" depending on the specific context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
the study concluded
Replaces "experiment" with "study" and uses "concluded" as a synonym for "was completed".
the research finished
Substitutes "experiment" with "research" and "was completed" with the simpler "finished".
the investigation ended
Uses "investigation" in place of "experiment" and "ended" to signify completion.
the trial was finalized
Replaces "experiment" with "trial" and uses "finalized" which suggests the definitive conclusion.
the procedure has been completed
Uses the present perfect tense to emphasize the current state of completion, slightly more formal.
the test is done
Replaces "experiment" with the more informal "test" and uses "is done" for a simpler expression of completion.
the analysis has been finished
Focuses on the analytical aspect of the experiment and uses "has been finished" for completion.
the assessment wrapped up
Substitutes "experiment" with "assessment" and uses the informal phrasal verb "wrapped up" to indicate completion.
the project reached completion
Rephrases the sentence to emphasize that the project attained a state of completion.
the work is now complete
Offers a more general statement that the work related to the experiment is now complete.
FAQs
What are some alternatives to "the experiment was completed"?
You can use alternatives like "the study concluded", "the research finished", or "the investigation ended" depending on the context.
How can I use "the experiment was completed" in a sentence?
You can use "the experiment was completed" to clearly state that the experimental phase of a research project has finished. For example, "The experiment was completed on Tuesday, and the data analysis will begin next week."
What's the difference between "the experiment was completed" and "the experiment is complete"?
"The experiment was completed" implies the action of completing occurred in the past, whereas "the experiment is complete" suggests a current state of completion.
Is it correct to say "the experiment was completed successfully"?
Yes, it is correct. Adding "successfully" emphasizes that the experiment was completed without any major issues and likely achieved its intended goals.
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