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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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they assert that

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "they assert that" is correct and usable in written English.
You can use it when you want to indicate that someone is making a claim or statement about something. Example: "In their research, they assert that climate change is accelerating at an unprecedented rate."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

They assert that mind exists for the historian and that matter exists for the natural scientist.

Science

SEP

They assert that goal theory can help in understanding quality management in general, and SSQI in particular.

They assert that instead a revival of indigenous understandings of personhood is needed.

They assert that human activity has affected the climate.

News & Media

The New York Times

But they assert that the exemptions are relatively narrow.

News & Media

The New York Times

They assert that they were denied sales commissions.

News & Media

The New York Times

They assert that it has few disincentive effects since it is payable only at death.

News & Media

The Economist

But they assert that the device manufacturers cannot afford those tests.

News & Media

The New York Times

Lastly they assert that genetic engineering is inherently dangerous.The directive does not allow "patents on life".

News & Media

The Economist

They assert that compulsive playing has actually been decreasing as the prices of items fall.

News & Media

The New York Times

They assert that he will not have access to the money.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Use "they assert that" to introduce a formal claim or statement made by a group, especially when you want to convey a sense of authority or conviction behind their words.

Common error

Avoid using "they assert that" when a more neutral verb like "state" or "say" would be more appropriate. "Assert" implies a forceful claim, which may not always be the intended meaning.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "they assert that" functions as a declarative phrase introducing a statement or claim made by a group. As seen in Ludwig, the phrase indicates a formal declaration or affirmation.

Expression frequency: Very common

Frequent in

News & Media

45%

Science

37%

Academia

13%

Less common in

Formal & Business

2%

Wiki

2%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "they assert that" is a grammatically correct and widely used phrase, as confirmed by Ludwig. It is commonly employed to introduce a formal statement or claim made by a group. While versatile, it's most frequently found in News & Media, scientific, and academic writing. When using this phrase, ensure that the context warrants a stronger affirmation and is not better suited to a more neutral term like "state" or "say". Ludwig's examples highlight the phrase's prevalence across different fields, confirming its utility in conveying a group's position with authority.

FAQs

What does "they assert that" mean?

The phrase "they assert that" means that a group of people are stating something as a fact or belief, often with confidence and conviction.

What can I say instead of "they assert that"?

You can use alternatives like "they claim that", "they argue that", or "they maintain that", depending on the context and the nuance you want to convey.

Is it better to use "they assert that" or "they claim that"?

"They assert that" implies a stronger and more confident statement than "they claim that". Use "assert" when the group is presenting their statement as a firm belief or fact.

How do I use "they assert that" in a sentence?

Use "they assert that" to introduce a clause that contains the statement being made. For example, "Researchers assert that the new findings will revolutionize the field."

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Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: