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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 demonstrated that

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "they demonstrated that" is correct and usable in written English.
You can use it when referring to evidence or findings that support a particular claim or conclusion in research or analysis. Example: "In their study, they demonstrated that regular exercise significantly improves mental health."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

They demonstrated that including gene-gene interactions have better classification power in gene expression analysis.

They demonstrated that the pattern of microbes found on a telephone is unique.

News & Media

The Guardian

But less than 24 hours later, they demonstrated that you cannot keep a good team down.

While the results were not meat, they demonstrated that growing food outside the body was possible.

News & Media

The New Yorker

And they demonstrated that Jobbik is the only really unified party challenging the Fidesz-KDNP.

They demonstrated that this PCR inhibition could be partially resolved by adding nonacetylated bovine serum albumin.

They demonstrated that the f.c.c.

They demonstrated that independent and free African American communities could thrive on their own terms.

In that same report, they demonstrated that interest in these jobs had leveled off.

News & Media

Forbes

Moreover, they demonstrated that activations depend on the duration of stimulation.

They demonstrated that SICM can visualize filaments on cell better than atomic force microscopy (AFM).

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Expert writing Tips

Best practice

Use "they demonstrated that" to clearly and directly present research findings or provide evidence-based support for a claim.

Common error

Avoid using "they demonstrated that" when the evidence is suggestive but not conclusive. Opt for weaker verbs like "suggested", "indicated", or "implied" to more accurately reflect the findings.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "they demonstrated that" functions as a connector that introduces a reported finding or result. It commonly links an actor (the "they") with a verifiable action or discovery. Ludwig's examples highlight the phrase's role in academic and scientific reporting.

Expression frequency: Very common

Frequent in

Science

70%

News & Media

15%

Academia

10%

Less common in

Formal & Business

5%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "they demonstrated that" is a grammatically correct and frequently used expression for introducing factual findings, particularly in scientific, academic, and news contexts. Ludwig AI confirms its usability in written English. While versatile, it's important to use it accurately and avoid overstating the strength of the evidence. Alternatives like "they showed that" or "they indicated that" can be used depending on the desired emphasis and level of conclusiveness. When writing, ensure the evidence supports a claim that is being provided, especially when using this phrase.

FAQs

How can I use "they demonstrated that" in a sentence?

Use "they demonstrated that" to introduce a finding or result that supports a specific point or conclusion. For example, "In their experiment, they demonstrated that regular exercise improves cardiovascular health."

What are some alternatives to saying "they demonstrated that"?

You can use alternatives like "they showed that", "they proved that", or "they indicated that" depending on the context and strength of the evidence.

Is it better to use "they demonstrated that" or "it was demonstrated that"?

Using "they demonstrated that" is generally more direct and active, which can make your writing clearer and more engaging. The passive form, "it was demonstrated that", is acceptable but can sometimes sound less assertive.

When is it inappropriate to use "they demonstrated that"?

Avoid using "they demonstrated that" if the evidence is weak, inconclusive, or based on limited data. In such cases, use phrases like "they suggested that" or "the findings indicate that" to avoid overstating the results.

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Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: