it has not been established whether

USAGE SUMMARY

The phrase "it has not been established whether" is correct and usable in written English.
You can use it when discussing uncertainty or lack of evidence regarding a particular situation or claim. Example: "In the ongoing investigation, it has not been established whether the suspect was at the scene of the crime."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

Thus, it has not been established whether flowers represent one of its growth niches, or whether L. kunkeei is only deposited in flowers through bee pollination.

Genome Biology and Evolution

While the NWI and its derivates are widely employed instruments in nursing research [ 53], it has not been established whether the global measure of physician-nurse collegiality and teamwork in the NWI and its derivates are an appropriate measure of these constructs [ 54].

BMC Nursing

It has not been established whether oral administration is equally effective.

Chest

It has not been established whether endoscopic sphincterotomy (ES) prevents subsequent cholangitis in patients with cholangitis and with a common bile duct (CBD) stone not documented by ERCP.

Gastrointestinal Endoscopy

It has not been established whether the plane was dangerously slow and dangerously close to stalling speed, according to people involved in the investigation.

The New York Times

However, it has not been established whether NusG enhances transcription chiefly by (1) increasing the rate of elongation between pauses, (2) reducing the lifetimes of pauses, or (3) reducing the rate of entry into paused states.

Stanford University

Nutrition has been found to be associated with cognitive impairment, but it has not been established whether these associations are present solely in later life or whether they are present in younger age as well.

Archives of Gerontology and Geriatrics

It has not been established whether Mr Romano was castrated before or after he was killed, but Ms Romano told the newspaper she believes her husband was already dead when it happened.

Independent

It has not been established whether the passport is genuine, with many analysts pointing out false Syrian passports can be easily obtained within the war-torn Middle Eastern nation.

Independent

Human-verified similar examples from authoritative sources

Similar Expressions

2 human-written examples

It hasn't been established whether Raines manipulated the numbers to rake in a bigger paycheck.

Forbes

First, it had not been established whether the ARKs are substrates for CaMKKs, as is AMPK itself.

Biochemical Journal

Expert writing Tips

Best practice

When using "it has not been established whether", follow it with a clear and concise explanation of the conflicting arguments or the reasons for the uncertainty.

Common error

Avoid overuse of passive constructions like "it has not been established whether", as it can sometimes make your writing seem less direct. Consider active voice alternatives when appropriate to enhance clarity and engagement.

Linguistic Context

The phrase "it has not been established whether" functions as an introductory clause that signals uncertainty or a lack of definitive evidence regarding a specific matter. As supported by Ludwig AI, it introduces topics that require further investigation or clarification.

Expression frequency: Very common

Frequent in

Science

67%

News & Media

22%

Academia

10%

Less common in

Wiki

1%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, "it has not been established whether" is a versatile phrase used to introduce uncertainty or a lack of conclusive evidence. Ludwig AI confirms its grammatical correctness and widespread use, particularly in scientific, academic, and journalistic contexts. While effective for expressing caution and signaling the need for further investigation, remember to balance its use with active voice constructions for clarity and impact. Consider alternatives like "it remains unproven whether" or "it is still unclear if" for nuanced expression. The contexts of usage highlight its role in formal and scientific communication, underscoring its importance in articulating balanced, evidence-based perspectives.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

it remains unproven whether

Replaces "has not been established" with "remains unproven", indicating a continuing lack of proof.

it is still unclear if

Uses "still unclear" to emphasize ongoing uncertainty.

it is yet to be determined whether

Emphasizes that the determination is pending.

the question of whether remains open

Highlights the unresolved nature of the question.

there is no consensus on whether

Indicates a lack of agreement among experts.

it is uncertain whether

Uses "uncertain" to express doubt.

the evidence does not confirm whether

Focuses on the lack of confirming evidence.

it hasn't been confirmed if

Uses a contraction and "confirmed" to convey a similar meaning in a slightly less formal way.

the matter of whether is unresolved

Highlights that the issue remains unsettled.

it's not known if

Uses a more direct and less formal tone to express the unknown status.

FAQs

How can I use "it has not been established whether" in a sentence?

This phrase introduces uncertainty or a gap in knowledge. For example, "It has not been established whether the new drug is effective against all variants of the virus."

What can I say instead of "it has not been established whether"?

You can use alternatives like "it remains unproven whether", "it is still unclear if", or "it is yet to be determined whether depending on the context.

Is it more appropriate to use "it has not been established whether" or "it has not been determined whether"?

Both phrases are acceptable and convey similar meanings. "It has not been established whether" often implies a need for more rigorous proof, while "it has not been determined whether" suggests that a decision or conclusion is pending.

What's the difference between "it has not been established whether" and "it is unknown whether"?

"It has not been established whether" indicates that there has been an attempt to find an answer but without definitive results. "It is unknown whether" simply means the information is not currently available or certain, without necessarily implying prior investigation.