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 study showed that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a study showed that" is grammatically correct and commonly used in written English.
It is typically used to introduce information or findings from a specific study. Example: "A recent study showed that regular exercise can improve overall mental health."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(13)
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
58 human-written examples
A study showed that tight glucose control reduced infection risk in hyperglycemic neurosurgical patients [ 22].
The students were right about stress, though – a study showed that exams caused flareups of acne.
News & Media
Although the accounts would pay generous returns, a study showed that the cost to the city would be modest.
News & Media
A study showed that eating off smaller plates didn't translate into eating less.
News & Media
The disclosure comes exactly two years after Merck announced it was withdrawing its arthritis drug, Vioxx, after a study showed that it doubled the risks of heart attacks.
News & Media
"A study showed that laser and eyedrops come out at about the same rate of effectiveness after five years," Dr. Quigley said.
News & Media
"A study showed that there are 4.2 million people emotionally connected to soccer in New York, and very few cross the river to watch us.
News & Media
A study showed that when the number of pop-up ads was cut in half for a group of members, their satisfaction improved notably.
News & Media
In New York, a study showed that some 85percentt of guns used in crimes came from Florida, Georgia and other states.
News & Media
"As a child, they had us sleeping in 'croup tents,' " filled with steam, "until a study showed that this actually was contributing to lung infections".
News & Media
A study showed that it increased the risk of heart attacks and strokes in patients with cardiovascular risk.
News & Media
Expert writing Tips
Best practice
When using "a study showed that", clearly cite the study to enhance credibility. This can be done using footnotes, endnotes, or in-text citations.
Common error
Avoid stating that "a study showed that" something is a universal truth. Research findings are often specific to the study's parameters and population; acknowledge limitations where appropriate.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a study showed that" serves as an introductory phrase used to present findings or conclusions derived from empirical research. It indicates that the subsequent statement is supported by evidence obtained through a scientific study. As Ludwig AI explains, it is a grammatically correct and commonly used phrase.
Frequent in
Science
44%
News & Media
42%
Formal & Business
10%
Less common in
Wiki
3%
Encyclopedias
1%
Reference
0%
Ludwig's WRAP-UP
The phrase "a study showed that" is a grammatically correct and widely used construction for introducing findings from research. Ludwig AI's analysis of numerous examples reveals its prevalence across various domains, particularly in science and news media. When incorporating this phrase into your writing, ensure you properly cite the source to enhance credibility. Be mindful of overgeneralizing the study's results, acknowledging any limitations. Alternatives such as "research indicated that" or "findings reveal that" can provide variety while maintaining a similar level of authority. The prevalence and clarity of its function make it a valuable tool for evidence-based communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Research indicated that
Replaces "study" with "research", offering a slightly broader term.
The evidence suggests that
Focuses on the evidence supporting a conclusion, rather than a specific study.
Findings reveal that
Highlights the results or discoveries of a study or investigation.
Data indicates that
Emphasizes the use of data to support a conclusion.
Analysis demonstrated that
Highlights the analytical process that led to a particular conclusion.
Results confirm that
Suggests a validation or verification of previous findings.
Investigations have found that
Uses a more general term for studies, referring to investigations.
Scientists discovered that
Attributes the finding to scientists specifically.
The report indicates that
Refers to a specific report as the source of the information.
It has been determined that
Uses a passive construction to emphasize the conclusion rather than the source.
FAQs
What can I say instead of "a study showed that"?
You can use alternatives like "research indicated that", "the evidence suggests that", or "findings reveal that" depending on the context.
How do I properly cite a study when using the phrase "a study showed that"?
Include a citation immediately after the phrase, either parenthetically with the author and year (e.g., (Smith, 2023)) or as a footnote linking to the full reference. This ensures credibility and allows readers to verify your source.
Is it necessary to always name the specific study when using "a study showed that"?
While not always necessary, naming the study or its authors adds weight to your statement. If the study is particularly relevant or authoritative, including its name enhances the impact of your claim.
What's the difference between "a study showed that" and "it is believed that"?
"A study showed that" indicates empirical evidence supports a claim, whereas "it is believed that" suggests a general opinion or belief without concrete evidence. Using "a study showed that" implies stronger support for the statement.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested