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
this is documented by
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "this is documented by" is correct and usable in written English.
You can use it when referring to a source or evidence that supports a statement or claim. Example: "The effectiveness of the new policy is documented by several studies conducted over the past year."
✓ Grammatically correct
Science
News & Media
Wiki
Alternative expressions(20)
this is supported by
this is evidenced by
this is confirmed by
this is illustrated by
this is shown by
as evidenced by
this is corroborated by
records indicate that
this is recorded by
this is fueled by
this is encouraged by
this is accomplished by
this is emphasised by
this is accomplished through
this is adopted by
this is facilitated by
this is accounted by
this is undertaken by
this is generated by
this is suggested by
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
14 human-written examples
This is documented by joint registries, clinical studies and the experiences of millions of patients.
News & Media
(Much of this is documented by the Associated Press reporters Adam Goldman and Matt Apuzzo in their forthcoming book, "Enemies Within").
News & Media
This is documented by independent estimates of the value of the dynamic ratio EV∗/H∗ (∼0.44).
Science
This is documented by headlines such as: 1. FULANI HERDSMEN OUTSTAY WELCOME IN GHANA34 2.
Science
This is documented by Huntsinger et al. for the western USA and Heikkinen et al. for northern Finland.
This is documented by the data presented in Fig. 9 [12], where the specific power of batteries of different technologies is represented as a function of Specific Energy.
Human-verified similar examples from authoritative sources
Similar Expressions
46 human-written examples
He was letting it go for the same amount he bought it for, and this was documented by the papers from the city that he provided.
News & Media
This was documented by Princeton University professor Jan Gross in Neighbors,a nonfiction book that sparked national debate among Polish readers in 2001.
News & Media
This was documented by Congressman Henry Waxman (D-CA) in a 2004 government oversight committee report showing that over 80% of programs contained "false or misleading information".
News & Media
This was documented by London et al in CKD patients [38].
Science
This was documented by using an insulin clamp at low insulin infusion rates, which incompletely suppressed hepatic glucose production.
Science
Expert writing Tips
Best practice
When using "this is documented by", ensure the sources you cite are credible and directly relevant to the statement you are supporting. Provide specific details about the documentation, such as the author, title, and date, to enhance credibility.
Common error
Avoid using "this is documented by" without providing actual sources or references. Doing so undermines your credibility and can mislead your audience. Always back up your claims with concrete evidence.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this is documented by" functions as an introductory phrase to provide evidence or sources that support a statement. It signals to the reader that verifiable information backs up the claim being made, enhancing credibility. As Ludwig AI suggests, it is grammatically correct and usable.
Frequent in
Science
63%
News & Media
27%
Wiki
10%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "this is documented by" is a grammatically correct and usable way to introduce supporting evidence, as confirmed by Ludwig AI. It's most commonly found in scientific and news contexts, reflecting its formal nature. While "uncommon" in frequency, it effectively signals that claims are substantiated with verifiable information. When using this phrase, ensure your sources are credible and relevant to avoid undermining your argument.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
this is supported by
Replaces "documented" with "supported", indicating evidence provides backing rather than formal proof. Slightly less formal.
this is evidenced by
Uses "evidenced" to show proof or indication of something being true. Maintains a formal tone, similar to the original phrase.
this is confirmed by
Indicates that something is verified or validated by the evidence, suggesting a higher level of certainty.
this is illustrated by
Highlights that the evidence serves as an example or demonstration of the statement.
this is shown by
A more direct and simpler way to indicate that evidence demonstrates the statement's validity.
the evidence for this is
Shifts the focus to the evidence itself, emphasizing its role in supporting the statement.
proof of this is
Highlights that the evidence represents undeniable truth. More emphatic and assertive.
as evidenced by
A concise way to introduce the evidence, often used in formal writing.
this is corroborated by
Indicates that the statement is supported by multiple sources of evidence, increasing its credibility.
records indicate that
Highlights the presence of formal records that support the statement, implying official documentation.
FAQs
How can I use "this is documented by" in a sentence?
Use "this is documented by" to introduce evidence or sources that support a claim. For example, "The effectiveness of the treatment "this is documented by" clinical trials."
What are some alternatives to "this is documented by"?
Alternatives include "this is supported by", "this is evidenced by", or "this is confirmed by". The best choice depends on the context and the nuance you want to convey.
Is "this is documented by" formal or informal?
"This is documented by" is generally considered a formal phrase suitable for academic, scientific, or professional writing. Simpler alternatives may be preferred in informal contexts.
What kind of sources can I cite after using "this is documented by"?
You can cite various sources, including research papers, official reports, statistical data, and expert opinions. Ensure the source is credible and directly relevant to the claim you are making.
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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
4.1/5
Expert rating
Real-world application tested