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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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variation has occurred

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "variation has occurred" is correct and usable in written English.
It can be used in contexts where you want to indicate that a change or difference has taken place in a particular situation or data set. Example: "After analyzing the results, we found that variation has occurred in the test scores compared to last year."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

The remaining tRNA variation has occurred within Polypodiopsida.

These previous studies indicate that many populations are locally adapted to climatic conditions that vary over space, and that evolution in response to climatic variation has occurred in the past.

For example, reduced genetic variation has occurred in brown rats resistant to the rodenticide, warfarin [ 25, 82, 83], tobacco budworm exposed to the pyrethroid insecticide [ 84], and the human malarial parasite, Plasmodium falciparum, exposed to antimalarial agents [ 85].

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

Immediately after the injections, the injected volume was checked again, and if variation had occurred the bee was not used.

Science

Plosone

These data show that genetic variations have occurred locally in the existing clones to give the new STs.

Nevertheless, even if some small-scale variations had occurred as a result of these emissions, the difference would have been corrected for in the next step (adjustment for hourly background concentrations).

Changes in geographical range following climatic variations have occurred for hundreds of millions of years (e.g. Wright and Stigall, 2013), and are being documented with current changes in the Earth's climate (Parmesan and Yohe, 2003).

The potential secondary structures of tRNAs are quite similar between A. planci and A. brevispinus, whereas the comparison between the Acanthaster species and A. pectinifera reveals that several size variations have occurred at the DHU and TψC loops.

Variation of types has occurred since World War II, the end of which prompted also the special issue of the Jersey "liberation penny" to mark the end of the German occupation.

Over time, some variation in silviculture has occurred as a result of changes in forest ownership.

A great deal of variation in the reporting of WNV fever cases has occurred between states.

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Expert writing Tips

Best practice

When using "variation has occurred", specify the nature and extent of the variation to provide context and clarity. For example, "Significant genetic variation has occurred within the population due to environmental pressures."

Common error

Avoid using "variation has occurred" as a generic statement without providing specific details. Instead of saying, "Variation has occurred in the data", specify which data and what kind of variation: "A noticeable variation in test scores has occurred between the control group and the experimental group."

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

80%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "variation has occurred" functions as a statement indicating that a change or difference has taken place. As evidenced by Ludwig, this phrase is often used in scientific contexts to describe alterations in data, genetic material, or other measurable phenomena. Ludwig AI confirms the grammatical correctness of this phrase.

Expression frequency: Rare

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, the phrase "variation has occurred" is a grammatically sound and usable expression that indicates a change or difference has taken place. While not exceptionally common, as Ludwig AI highlights, it is frequently encountered in scientific contexts to report alterations in various measurable phenomena. The phrase is typically used in a formal and scientific register. To enhance clarity, it's best to specify the nature and extent of the variation. Alternatives include "a change has taken place" or "modification has been observed". While Ludwig provides only a few examples, the contexts are helpful.

FAQs

How can I use "variation has occurred" in a sentence?

Use "variation has occurred" to indicate that a change or difference has taken place. For example, "After the treatment, a significant variation has occurred in the patient's blood pressure."

What can I say instead of "variation has occurred"?

You can use alternatives like "a change has taken place", "alteration has happened", or "modification has been observed" depending on the context.

Which is correct, "variation has occurred" or "variations have occurred"?

Both are correct, but they have slightly different meanings. "Variation has occurred" refers to a general change, while "variations have occurred" refers to multiple specific instances of change.

What's the difference between "variation has occurred" and "variability has occurred"?

"Variation has occurred" indicates that a specific change or set of changes has happened. "Variability has occurred" implies that the potential for change or the range of differences has increased. You may also consider the alternatives "a change has taken place" or "modification has been observed".

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Most frequent sentences: