is not demonstrated

USAGE SUMMARY

The phrase "is not demonstrated" is correct and usable in written English.
It can be used when indicating that something has not been shown or proven, often in a formal or academic context. Example: "The hypothesis is not demonstrated by the available data, leading to further questions about its validity."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Thus, their conclusion about model error is not demonstrated.

Stanford University

In contrast to previous reports, an enhanced salt tolerance after nhaA expression in rice cultures and plants is not demonstrated in our current study.

New Negatives in Plant Science

MUC4 is demonstrated in immunoblots of normal parotid tissue and in the single parotid malignancy analyzed, but is not demonstrated in one minor salivary gland malignancy.

Otolaryngology - Head and Neck Surgery

The methodology is not demonstrated for real 3D MNs, as there are not sufficient numbers of images for the purpose of this paper.

Journal of Pharmaceutical Sciences

"When a police defendant is on trial, the system shows a particular sensitivity and awareness of the defendant's rights, which frequently is not demonstrated for a typical indictment defendant," said Colbert.

The Guardian

"The existence of such a threat is not demonstrated in this case". Sewif denied the charges against him in an interview last month, saying he had always advocated an inclusive vision of Islam.

The Washington Post

The technique is not intended to replace the gold standard, laserbrasion of the periocular region, and is not demonstrated to be safe for resurfacing of the lower lid region.

Stanford University

Where a clear violation of international law is not demonstrated, I would agree that principles of comity underlying the act of state doctrine warrant recognition and enforcement of the foreign act.

Cornell University

"Kavanaugh's worldview is not demonstrated by the fact that he's appeared before black law students and hired diverse clerks," she said, noting that he has also appeared nearly 50 times before chapters of the Federalist Society, the conservative legal group that has helped shape Trump's list of potential Supreme Court nominees, including Kavanaugh.

The Washington Post

Outside of the fact that it might afford some further evidence as to the existence of 'subversive persons' within the State, which I have endeavored to show was not in itself a matter related to any legislative function except self-contained investigation and exposure themselves, the relevance of further detail is not demonstrated.

Cornell University

We have not attempted to do this, but merely to indicate sufficient grounds upon which they reasonable might have acted and possibly did act to show that it is not demonstrated that they acted arbitrarily, and hence that there is no sufficient reason for holding that the statute deprives the corporation of its liberty or property without due process of law.

Cornell University

Expert writing Tips

Best practice

When using "is not demonstrated", ensure clarity by specifying what evidence is lacking or what test failed to support the claim. For instance, instead of saying "The effect is not demonstrated", specify "The effect is not demonstrated by the experimental data."

Common error

While "is not demonstrated" is grammatically correct, overuse of passive voice can make your writing sound weak. Consider rephrasing to active voice where appropriate. For example, instead of saying "The relationship is not demonstrated", try "Researchers did not demonstrate the relationship."

Linguistic Context

The phrase "is not demonstrated" functions as a predicate in a passive construction. It indicates that something lacks proof or evidence. According to Ludwig, the phrase is grammatically correct and usable in written English.

Expression frequency: Very common

Frequent in

Science

58%

News & Media

23%

Academia

18%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "is not demonstrated" is a grammatically correct and frequently used expression to indicate a lack of proof or evidence. Ludwig AI confirms its usability in written English, and its prevalence across diverse sources highlights its versatility. It is particularly common in scientific, academic, and news contexts. While the phrase is clear and accurate, it's essential to provide context by specifying what evidence is lacking. When appropriate, consider using active voice constructions or synonyms like "is not proven" to enhance writing style.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is not proven

Replaces "demonstrated" with "proven", indicating a lack of conclusive evidence.

is not shown

Uses "shown" instead of "demonstrated", providing a simpler and less formal alternative.

is not established

Suggests that something has not been firmly established or confirmed.

is not validated

Implies that something hasn't been confirmed or supported by evidence.

has not been proven

Rephrases in the active voice, emphasizing the action of proving.

has not been shown

Similar to "is not shown" but in the active voice.

remains unproven

Highlights the continuing lack of proof for something.

lacks evidence

A more direct way of saying that something does not have supporting evidence.

is unsubstantiated

Indicates that a claim or statement is not supported by evidence.

cannot be confirmed

Suggests that something is impossible to verify or establish.

FAQs

What does "is not demonstrated" mean?

The phrase "is not demonstrated" means that something hasn't been proven or shown to be true or effective through evidence or testing. It implies a lack of supporting data or confirmation.

How can I use "is not demonstrated" in a sentence?

You can use "is not demonstrated" to indicate that a claim, effect, or relationship lacks sufficient evidence. For example, "The effectiveness of the new drug "is not demonstrated" in clinical trials".

What can I say instead of "is not demonstrated"?

Alternatives to "is not demonstrated" include phrases like "is not proven", "is not shown", or "is not established", depending on the context.

Is it better to use active or passive voice when saying something "is not demonstrated"?

While "is not demonstrated" is grammatically correct, using the active voice (e.g., "Researchers did not demonstrate...") can make your writing more direct and impactful. The choice depends on the desired emphasis and style.