over what time span

USAGE SUMMARY

The phrase "over what time span" is correct and usable in written English.
You can use it when inquiring about the duration or period during which something occurs or is measured. Example: "Can you clarify over what time span the data was collected for this study?"

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

But over what time span?

The Guardian

The aim here was to asses to what degree and over what time span an increased conversion of existing broadleaved forests to planted coniferous forests could cover an increased demand for wood by studying the effects of implementing Option (b) above.

New Zealand Journal of Forestry Science

119 It is unclear just how completely and over what time span recovery occurs.

Gut

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

"For what time span?" He said a week.

The New York Times

We then determine whether local elimination is possible, and if so, in what time span.

BMC Infectious Diseases

Da Costa: How were you able to earn $130K, and over what span of time?

Forbes

"If you are a fan and know who I am, then it's a good snapshot of what I'm playing over the time span of a month," he explains.

Vice

That adjustment is based on wage growth over that time span.

The Washington Post

For instance, to what extent does demography influence economic growth over a longer time span?

SERIEs

I can overcome the questionable nature of factions, but what irks me is the transformation of a small girl with no former athletic experience into a gun-slinging badass over a short time span.

Huffington Post

Over the same time span, total energy use fell since 2007, by 6.4%, the report said.

The Guardian

Expert writing Tips

Best practice

When using the phrase "over what time span", ensure the context clearly establishes what event or phenomenon the time span refers to. This avoids ambiguity and ensures clarity in your writing.

Common error

Avoid replacing "over" with prepositions like "in" or "during" when inquiring about a duration. While seemingly similar, "over" accurately conveys the period of observation or activity.

Linguistic Context

The phrase "over what time span" functions as an interrogative phrase used to inquire about the duration or period during which something occurs or is measured. As Ludwig AI confirms, the phrase is correct and usable in written English. Examples in Ludwig illustrate its use in various contexts like history, science, and business.

Expression frequency: Rare

Frequent in

News & Media

50%

Science

40%

Formal & Business

10%

Less common in

Academia

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "over what time span" is a grammatically correct interrogative phrase used to ask about the duration of an event or observation. Ludwig AI validates its proper usage in diverse contexts such as science, news, and formal business settings. While primarily found in news and media, its presence in academic and scientific sources elevates its register. Remember to clearly define the context to avoid ambiguity, and consider alternatives like "during what period" for a more formal tone.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

through what timespan

A simple and common variation using the single word "timespan" instead of the two words.

in what timeframe

Simplified version using "timeframe" to ask about the boundaries of a time period.

during what period

This alternative replaces "time span" with "period" offering a more formal tone.

across what timeframe

This option substitutes "time span" with "timeframe" emphasizing the temporal boundaries.

within what period

Similar to "during what period", this emphasizes enclosure within a specific time.

over which duration

This rephrases the question using "duration" instead of "time span" focusing on the length of time.

for what length of time

This version uses a more explicit and straightforward way of asking about the duration.

over what stretch of time

This alternative uses "stretch of time" to imply a continuous period.

during which interval

Using "interval" offers a more precise or scientific connotation.

across what course of time

This phrase is more formal and emphasizes the progression of time.

FAQs

How can I rephrase "over what time span" in a more formal way?

You can use phrases like "during what period", "across what timeframe", or "over which duration" to sound more formal.

Is it correct to say "in what time span" instead of "over what time span"?

While understandable, "over what time span" is the more idiomatic and grammatically accepted phrase. Using "in" might sound awkward in certain contexts.

What's the difference between "during what period" and "over what time span"?

The phrase "during what period" is a more formal way of asking the same question and is nearly interchangeable with "over what time span", differing primarily in tone and register.

Can I use "timeframe" and "time span" interchangeably?

Yes, "timeframe" and "time span" are often used interchangeably, but "timeframe" might imply a more structured or predefined period, whereas "time span" can be more general.