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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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differ across

Grammar usage guide and real-world examples

USAGE SUMMARY

"differ across" is correct and can be used in written English.
You can use this phrase when you want to describe how things are different in certain places or contexts. For example, "The laws concerning gun control differ across the United States."

✓ Grammatically correct

Science

News & Media

Academia

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The consequences of sedentary behavior may differ across groups.

Accuracy did not differ across groups at either time point.

Risk factors for OA differ across different joints.

Second, grading standards differ across courses in different majors.

Rules differ across the country.

News & Media

The Economist

Do attentional processes differ across tasks?

Milk yield did not differ across diets.

Attrition rates differ across pain conditions.

Beetle biomass did not differ across habitats.

Milk yield did not differ across treatments.

The consequences of activity also differ across hippocampal subfields.

Science & Research

Nature
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Expert writing Tips

Best practice

When using "differ across", ensure you clearly define the categories or groups being compared to avoid ambiguity.

Common error

Avoid using "differ across" when you actually mean "differ within". "Differ across" implies differences between distinct groups, whereas "differ within" refers to variations inside a single group.

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 "differ across" functions as a verb phrase indicating that there are variations or distinctions between different groups, categories, or locations. Ludwig confirms this is used to describe differences in specific contexts.

Expression frequency: Very common

Frequent in

Science

35%

News & Media

25%

Academia

20%

Less common in

Formal & Business

15%

Encyclopedias

3%

Wiki

2%

Ludwig's WRAP-UP

In summary, the phrase "differ across" is a grammatically sound and widely used expression that signifies variations or distinctions between different groups or categories. As Ludwig AI explains, this phrase is frequently used to denote differences that occur in various contexts, especially within scientific, news, and academic domains. Its neutral-to-formal register allows for versatile application across diverse forms of written communication. While related phrases like "vary among" and "contrast between" can serve as alternatives, it's crucial to ensure they accurately reflect the intended meaning.

FAQs

How do I use "differ across" in a sentence?

Use "differ across" to indicate that something varies or is not consistent between different groups, categories, or regions. For example, "Cultural norms "vary across" countries".

What is a good alternative to "differ across"?

Alternatives to "differ across" include "vary among", "contrast between", or "diverge in", depending on the specific nuance you want to convey.

How does "differ across" compare to "differ within"?

"Differ across" emphasizes differences between distinct groups, whereas "differ within" highlights variations inside a single group. It's important to distinguish them to convey your intended meaning correctly.

Is it correct to say "differ across"?

Yes, "differ across" is a correct and commonly used phrase in English. As Ludwig AI confirms, it is used to describe how things are different in certain places or contexts.

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Source & Trust

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Authority and reliability

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Real-world application tested

Most frequent sentences: