establish whether or not

USAGE SUMMARY

The phrase "establish whether or not" is correct and usable in written English.
It can be used when you want to determine the existence or truth of something, often in a formal or analytical context. Example: "The research aims to establish whether or not the new treatment is effective in reducing symptoms."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

We need to establish whether or not they can add games".

The Guardian - Sport

Again, some critics have worked hard to establish whether or not the poet shared the Prioress's outlook.

The New Yorker

A urine dipstick test analyses the ketones in the woman's urine to establish whether or not she is dehydrated.

The Guardian

It is usually impossible to establish whether or not they have really suffered the traumas they claim.

The Economist

A spokesman said: "Officers from the force's economic crime directorate will consider the matter and establish whether or not it is appropriate to launch an investigation".

The Guardian

His critics need to get on the phone and establish whether or not they can build the strength in the grassroots to topple him.

The Guardian - Opinion

Sussex police are looking at a number of complaints about the portrayal of Salmond and are "trying to establish whether or not any crime may have been committed".

The Guardian

Experts are working to establish whether or not the bacteria from the tested home pool is the same strain as that which infected the baby.

The Guardian

That, radiation experts say, would at least establish whether or not the thyroid cancer spike in Fukushima is out of the ordinary.

The Guardian

2.21pm GMT Nair says the prosecution did not do enough to establish whether or not Pistorius had a house in Italy.

The Guardian

Yet it is very difficult for consumers to establish whether or not a product contains palm oil from looking at the packaging.

The Guardian

Expert writing Tips

Best practice

Use "establish whether or not" when the truth or existence of something is uncertain or disputed and needs to be proven through evidence or investigation.

Common error

Avoid using "establish whether or not" in casual conversation or informal writing where simpler alternatives like "see if" or "find out if" would be more appropriate. Overuse can make your language sound unnecessarily stilted or pretentious.

Linguistic Context

The phrase "establish whether or not" functions as a connector indicating the purpose of determining a specific condition or fact. As Ludwig AI confirms, it's often used in analytical contexts to ascertain the truth or existence of something.

Expression frequency: Very common

Frequent in

Science

50%

News & Media

32%

Formal & Business

18%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "establish whether or not" is a grammatically sound phrase used to introduce a need for verification or confirmation. Ludwig AI emphasizes its common usage in analytical contexts. While highly prevalent in formal and scientific writing, it can be overly formal in casual settings. Consider simpler alternatives like "determine if" for increased conciseness in less formal communication. This phrase serves to set the stage for investigation, clarification, or providing proof. The phrase appears frequently in the Science and News & Media categories. Using this knowledge will help to ensure that you are using it to its full potential.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

determine if

More concise and less formal.

ascertain whether

More formal and emphasizes a careful investigation.

verify whether or not

Focuses on confirming the truth or accuracy of something.

check to see if

More informal and conversational.

investigate whether

Implies a more in-depth exploration.

confirm if

Focuses on affirming the truth or accuracy of something but it's more direct.

find out if

Casual and direct way to express the search for information.

validate whether

Emphasizes proving the correctness of something.

figure out whether

Suggests solving a puzzle or answering a difficult question.

test whether or not

Suggests performing an experiment to find an answer.

FAQs

What can I say instead of "establish whether or not"?

You can use alternatives like "determine if", "ascertain whether", or "verify whether or not" depending on the context.

How to use "establish whether or not" in a sentence?

Use "establish whether or not" when you need to determine the truth or existence of something through investigation or analysis. Example: "The study aims to establish whether or not there is a correlation between diet and disease."

What is the difference between "establish whether or not" and "determine if"?

"Establish whether or not" is generally more formal and emphasizes a more rigorous or definitive process of finding out. "Determine if" is a simpler, more direct alternative suitable for less formal contexts.

When is it appropriate to use "establish whether or not" in writing?

It is appropriate to use "establish whether or not" in academic, scientific, or professional writing where a formal tone and a thorough investigation are implied. Avoid it in casual or informal contexts where it may sound overly formal.