over two periods

USAGE SUMMARY

The phrase "over two periods" is correct and usable in written English.
It can be used to indicate a duration or span of time that exceeds two distinct intervals or phases. Example: "The project has evolved significantly over two periods, leading to improved outcomes and strategies."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

51 human-written examples

Two cohorts of anonymous, patient, and risk-neutral buyers arrive over two periods.

Journal of Economic Theory

Ryan Miller stopped 17 shots over two periods for Buffalo before being replaced in the third by Jhonas Enroth.

The New York Times - Sports

290 heart patients were given the painkiller during a trial and told to take it either upon waking or at bedtime over two periods of three months.

Independent

They were down by 2-1, outshot by 25-9 and thoroughly outplayed by the defending Stanley Cup champion Pittsburgh Penguins over two periods on Thursday.

The New York Times - Sports

The youthful years extend over two periods: a summer when Jim Praley, the novel's narrator, returns home after his freshman year at a college back East, and a second visit five years later.

The New York Times - Books

Published in Archives of Internal Medicine, the study examined medical data in Olmsted County, which has a population of about 144,000, over two periods: the 18 months before the county banned smoking in restaurants in 2002, and the 18 months after it extended the ban to bars and all workplaces in 2007.

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

9 human-written examples

It was consistently happening over six periods.

The New York Times - Sports

And the cafeteria is so small that lunch has to be spread over four periods.

The New York Times

They tracked prices over five periods, ranging from one day to six months.

The Economist

(Measurements are averaged over eight-hour periods, at ground level; the federal standard, set in 2008, is 75 parts per billion).

The New York Times

AS with many other composers Philip Glass's style has — so far at least — developed over three periods.

The New York Times - Arts

Expert writing Tips

Best practice

When using "over two periods", clearly define what constitutes each period to avoid ambiguity. For example, specify if you are referring to fiscal years, academic semesters, or sporting seasons.

Common error

Avoid using "over two periods" without specifying the nature or length of the periods. This can lead to confusion and misinterpretation. Always provide context to clarify the timeframes involved.

Linguistic Context

The phrase "over two periods" functions as a prepositional phrase, typically modifying a verb or noun to indicate the duration or timeframe of an action or state. As seen in the Ludwig examples, it specifies that something occurs, is measured, or extends across two distinct periods of time.

Expression frequency: Very common

Frequent in

Science

47%

News & Media

34%

Formal & Business

10%

Less common in

Wiki

5%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "over two periods" is a common and grammatically sound way to describe events, studies, or trends that occur or are measured across two distinct timeframes. According to Ludwig, it’s considered correct, and its frequency underscores its widespread use, particularly in scientific and news contexts. For best practice, clarify the specific periods involved to avoid ambiguity, and be mindful that while suitable across registers, it tends toward formality. Alternatives like "spanning two periods" or "across two intervals" may offer stylistic variation.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

spanning two periods

This alternative focuses on the act of covering a duration, highlighting the range of time involved.

across two intervals

This alternative uses "intervals" instead of "periods", suggesting a measured or calculated timeframe.

during two phases

This alternative uses "phases" instead of "periods", implying a sequence of stages within the timeframe.

through two stages

This alternative highlights progression and development through two specific points in time.

in two separate timeframes

This alternative emphasizes the distinct separation between the two durations.

covering a dual timeframe

Uses the word "dual" to emphasize the two-part nature of the timeframe.

encompassing two durations

This alternative stresses that the timeframe includes both durations.

extending through two cycles

This implies a repeating or cyclical nature to the two time periods.

measured across two spans

Suggests a measurement or evaluation is being done across the two defined periods.

over the course of two segments

Highlights the continuous flow of time during the specified segments.

FAQs

How can I use "over two periods" in a sentence?

You can use "over two periods" to describe something that occurs or is measured across two distinct timeframes. For instance, "The study examined the change in sales figures "over two periods": before and after the marketing campaign".

What are some alternatives to saying "over two periods"?

Depending on the context, you could use phrases like "spanning two periods", "across two intervals", or "during two phases" to convey a similar meaning.

Is it always necessary to define the periods when using the phrase "over two periods"?

While not always strictly necessary, defining the periods provides clarity and avoids ambiguity. Vague references can confuse the reader. Providing context ensures everyone understands the timeframes involved.

What is the difference between using "over two periods" and "during two periods"?

"Over two periods" suggests a continuous observation or measurement across the two timeframes, while "during two periods" simply indicates that something happened within those periods. The choice depends on whether you want to emphasize the continuity or just the occurrence.