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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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whether and why

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "whether and why" is correct and usable in written English.
It can be used when discussing the conditions or reasons behind a particular situation or decision. Example: "The study aims to explore whether and why people prefer online shopping over traditional retail."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Whether and why Mozart is special will become more and more within our grasp.

News & Media

The Economist

Whether and why he's worth tracking down is never asked; the quest is what counts.

News & Media

The New Yorker

Charlestonians debate whether updating the city is a good thing or, at least, whether and why it was necessary.

We need to think about whether and why autonomy is the right ideal for beings like us".

News & Media

The Guardian

But they added that the reasons for the activity - and whether and why Mr. Pickens is buying shares - remained unclear.

News & Media

The New York Times

In advanced mathematical thinking, proving and refuting are crucial abilities to demonstrate whether and why a proposition is true or false.

Objective to design a flow model to determine whether and why increased proximal neck angulation correlates with increased risk of proximal perigraft endoleak (PPE) flow.

Left-handedness used to be associated with criminality, and researchers are still unclear as to whether and why there are slightly more lefties among criminal populations.

News & Media

Independent

Between these two speeches, the President spent months deciding whether and why to send young Americans to kill and die in Afghanistan.

News & Media

The New Yorker

What ails him is not stagefright so much as a failure to comprehend whether and why he should be onstage at all.

News & Media

The New Yorker

But it does offer some answers to the question of whether, and why, Mitt Romney's money will be a problem for him in the Presidential campaign.

News & Media

The New Yorker
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Expert writing Tips

Best practice

When posing a complex question, use "whether and why" to ensure you're covering both the conditional possibility and the underlying reasons. This is especially useful in academic research and formal reports.

Common error

Avoid using "whether and why" in situations where a simple "why" suffices. Overusing the phrase can make your writing sound unnecessarily complex.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "whether and why" functions as a conjunctive phrase, introducing a clause that explores both the condition (whether something is true or not) and the reasoning (why something is so). As Ludwig AI confirms, this expression is grammatically correct and serves to broaden the scope of an inquiry.

Expression frequency: Very common

Frequent in

Science

33%

News & Media

32%

Academia

22%

Less common in

Formal & Business

13%

Ludwig's WRAP-UP

In summary, "whether and why" is a grammatically correct and frequently used conjunctive phrase that broadens the scope of an inquiry to include both conditional possibilities and underlying reasons. According to Ludwig, its usage is widespread across various authoritative sources such as "The New York Times", "The New Yorker", and scientific journals. The phrase is most commonly found in Science, News & Media, and Academia and is suitable for neutral to formal registers. When writing, remember to use "whether and why" in complex scenarios that require a thorough investigation, but avoid overuse in simple situations where a straightforward "why" question is sufficient.

FAQs

How can I use "whether and why" in a sentence?

Use "whether and why" to explore both the possibility of something being true or not, and the reasons behind it. For example, "The research aims to determine whether and why the new treatment is effective."

What is a more concise alternative to "whether and why"?

Depending on the context, you might use "why" alone, or a phrase like "the reasons for" instead of "whether and why".

Is it redundant to use "whether and why" together?

No, it's not always redundant. "Whether" establishes a condition or possibility, while "why" seeks the explanation. Using them together ensures a comprehensive inquiry.

What's the difference between "whether and why" and "if and why"?

"Whether" is generally used to introduce alternatives, while "if" introduces a condition. Although similar, "whether and why" is often used when there are multiple possibilities, not just a single condition.

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Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: