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
earlier research
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "earlier research" is correct and usable in written English in both formal and informal contexts.
For example, "Our findings contradict earlier research that indicates a higher rate of prevalence in this population."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
Earlier research has led to some improvements.
News & Media
Mr. Saxe heard about Land's earlier research on herapathite crystals.
News & Media
Some of what she found undercut earlier research.
News & Media
In Dr. Gregory's earlier research, who were his subjects of study?
News & Media
Earlier research had found that the drug appeared to cause a surge of serotonin.
News & Media
In earlier research, the technique had already previously yielded a laser.
News & Media
Earlier research found a 7% decline in Greenland's reflectivity over the past decade.
News & Media
Earlier research had been short-term and had looked only at patients in treatment.
News & Media
Earlier research showed neonicotinoid exposure can damage the renowned ability of bees to navigate home.
News & Media
In the process of writing it, Lovins began to question the utility of his earlier research.
News & Media
Dr. Davidson said his team had done earlier research on Ticlid.
News & Media
Expert writing Tips
Best practice
When citing "earlier research", be specific about the studies you are referring to, including the authors and publication year, to provide context and credibility.
Common error
Avoid using "earlier research" without specifying the relevant studies. Always provide citations to ensure clarity and allow readers to evaluate the source material.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "earlier research" functions as a noun phrase that typically serves as a subject or object in a sentence. It refers to studies or investigations that have been conducted in the past. As Ludwig AI confirms, the phrase is grammatically sound and commonly used.
Frequent in
Science
43%
News & Media
39%
Formal & Business
18%
Less common in
Ludwig's WRAP-UP
The phrase "earlier research" is a common and grammatically correct way to refer to prior studies or investigations. Ludwig AI confirms its usability in both formal and informal contexts. It is most frequently used in scientific and news media to provide context, support claims, or contrast findings. When using this phrase, it's essential to be specific with citations to ensure clarity and credibility. Alternatives include "previous studies" and "prior investigations". Always aim for clear and well-supported references to "earlier research" in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
previous studies
Replaces "research" with "studies", focusing on the specific studies conducted previously.
prior investigations
Substitutes "research" with "investigations", highlighting the investigative aspect of the prior work.
preceding work
Uses "preceding work" to emphasize the temporal aspect of the research being done before the current study.
past experiments
Replaces "research" with "experiments", focusing on the experimental aspect of the prior work.
existing literature
Refers to the body of published works, providing a broader context than just specific research projects.
background studies
Highlights the role of the earlier research as providing background information for the current work.
foundational research
Emphasizes the importance of the earlier research as a base for further investigations.
initial findings
Focuses on the results obtained in the earlier research instead of the research process itself.
historical research
Indicates that the research was done in the past, potentially distant past.
preliminary studies
Suggests the research was a first step or pilot project.
FAQs
How do I properly cite "earlier research" in my writing?
When referencing "earlier research", always include proper citations with the author's name, publication year, and the source of the information. This gives credit to the original researchers and allows readers to find the source material.
What are some alternatives to the phrase "earlier research"?
You can use alternatives such as "previous studies", "prior investigations", or "existing literature" depending on the context.
Is it necessary to provide specific details when discussing "earlier research"?
Yes, providing specific details such as the research methodology, key findings, and limitations of the "earlier research" helps readers understand its relevance and significance to your current work.
How does "earlier research" influence current studies?
"Earlier research" often serves as a foundation for current studies, providing insights, methodologies, and theoretical frameworks that guide new investigations and contribute to the advancement of knowledge in a particular field.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested