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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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at random periods

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "at random periods" is correct and usable in written English.
It can be used to describe events or actions that occur at unpredictable or irregular intervals. Example: "The maintenance checks are performed at random periods throughout the year to ensure the equipment remains in good condition."

✓ Grammatically correct

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

4 human-written examples

We increased the number of vantage points in Africa by 278.3% and carried out measurements between them at random periods.

In SFH, a TRX does not transmit permanently on one frequency, but changes its transmitting frequency within a specific frequency pool at random periods.

In a normal population, where the same individual may practice a variety of activities at more or less structured programs, and maybe at random periods in time, comparatively less is known of the impact of activity on bone.

Town hall can be used to accept or deny citizenship on nomads that arrive at random periods of time, which is why it is important to build a Town Hall as soon as possible.

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

However, for the selected workers, the dust samples were taken at random time periods during the 8 hour shift, i.e. 1-4 sampers per worker, although not more than one sample per day per worker.

To obtain a water reward, the monkeys were required to maintain fixation at the target location for a random period of 300 600 ms.

Science & Research

Nature

The likelihood that the case detection originated at random during a period was calculated assuming a Poisson distribution of cases among the population.

Prior to a scanning run, 15 excerpts were selected at random from a period of time that the subject was between 7 and 19 years of age.

In this model, product demands are assumed to be dependent normally distributed random variables with known Probability Density Function (PDF) and covariance that changes from period to period at random.

In this problem, product demands are assumed to be dependent normally distributed random variables with known probability density function and covariance that change from period to period at random.

Demands of products are assumed to be dependent (i.e. ({text{Cov}}(D_{tk},D_{{tk^{prime}}} ) ne 0)) normally distributed random variables with known expected value, variance, and covariance that change from period to period at random.   5.

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Expert writing Tips

Best practice

When describing research methodologies or experimental designs, use "at random periods" to accurately convey that data collection or interventions occurred without a fixed schedule to avoid bias.

Common error

Avoid using "at random periods" when you actually mean regular or fixed intervals. "At random periods" implies unpredictability, not consistency.

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 "at random periods" functions as an adverbial phrase, modifying a verb or clause to indicate when an action occurs. It specifies that the timing is not predetermined or regular, reinforcing the concept of unpredictability, as supported by Ludwig.

Expression frequency: Rare

Frequent in

Science

75%

Wiki

25%

News & Media

0%

Less common in

Formal & Business

0%

Academia

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, the phrase "at random periods" is a grammatically correct adverbial phrase used to indicate that events or actions occur at unpredictable or irregular intervals. Ludwig AI confirms its validity. While relatively rare in overall usage, it's most commonly found in scientific contexts and technical descriptions, implying a formal and objective tone. When using this phrase, ensure that it accurately reflects the intended meaning of unpredictability and avoid confusing it with regular or fixed intervals. Alternatives like "at irregular intervals" or "sporadically over time" may offer more nuance depending on the specific context.

FAQs

How can I use "at random periods" in a sentence?

You can use "at random periods" to describe events that occur unpredictably, such as "The equipment was inspected "at random periods" to ensure optimal performance".

What's a good alternative to "at random periods"?

Alternatives include "at irregular intervals", "at unpredictable times", or "sporadically over time", depending on the specific nuance you want to convey.

Is it correct to say "in random periods" instead of "at random periods"?

While "in random periods" might be understood, ""at random periods"" is the more idiomatic and commonly accepted phrasing.

What does "at random periods" mean?

"At random periods" means occurring without a predictable pattern or schedule, implying unpredictability in the timing of events.

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Source & Trust

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Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: