Used and loved by millions

Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

fixed interval

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "fixed interval" is correct and usable in written English.
It is typically used in contexts such as psychology, economics, or scheduling to refer to a specific, unchanging period of time between events or occurrences. Example: "In operant conditioning, a fixed interval schedule reinforces a behavior after a set amount of time has passed."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

43 human-written examples

Wear performance of unhardfaced and hardfaced blades is examined after fixed interval of time in term of weight loss.

The second approach uses fixed interval smoothing [5, 6].

In this paper, we will consider fixed interval smoothing, which is adapted to block-oriented communications.

Those two rates would be set at a fixed interval bracketing the funds rate like crutches.

News & Media

The New York Times

In the simulated region, blocks of a fixed length were set together with a fixed interval.

Actually, OPT uses a set of "management coefficients," which help determine the duration of the fixed interval and the optimal batch sizes for each subassembly or component being processed at each machine or resource.

Show more...

Human-verified similar examples from authoritative sources

Similar Expressions

17 human-written examples

Mice were first tested on a fixed-ratio (FR) schedule followed by a fixed-interval (FI) schedule of food reinforcement.

(a) Graphical representation of the fixed-interval and peak-interval task.

Science & Research

Nature

Both infinite (fixed-interval smoothing) and finite (fixed-lag smoothing) preview cases are solved.

The estimated stochastic drift by the Kalman filter can be improved by fixed-interval smoothing afterward.

The effects of terminal-link fixed-interval and variable-interval schedules on responding under concurrent-chained schedules.

Show more...

Expert writing Tips

Best practice

When describing experimental designs or schedules, use "fixed interval" to clearly indicate a consistent and unchanging time period between events or stimuli. This enhances precision and reduces ambiguity.

Common error

Avoid using "fixed interval" when the time period varies. A common mistake is interchanging it with "variable interval", which refers to a time period that changes. Be precise: "fixed interval" implies consistency; "variable interval" implies randomness.

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 "fixed interval" primarily functions as a noun phrase, often used to describe a specific type of schedule or timing mechanism. Ludwig AI indicates that is correct. For example, it's used in behavioral psychology to describe reinforcement schedules, as shown in several examples.

Expression frequency: Very common

Frequent in

Science

67%

News & Media

22%

Formal & Business

11%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "fixed interval" is a noun phrase used to denote a consistent and unchanging period of time between events. Ludwig AI shows that is correct. Predominantly found in scientific, formal, and technical contexts, the phrase is used to clearly define timing parameters. Alternatives such as "constant duration" or "set time period" can be used depending on context, but "fixed interval" maintains a specific and precise connotation. Common errors include confusing it with similar terms like "variable interval". When precision in timing is key, "fixed interval" is the preferred term.

FAQs

How is "fixed interval" used in behavioral psychology?

In behavioral psychology, a "fixed interval" schedule refers to a reinforcement schedule where a reward is given after a consistent, unchanging amount of time has passed. This often leads to a pattern of behavior where activity increases closer to the expected reward time.

What's a situation where I might use the term "fixed interval"?

You might use "fixed interval" when describing an experiment where data is collected at specific, regular time points, or when scheduling tasks that need to be repeated at consistent timeframes, like watering plants every three days.

What can I say instead of "fixed interval"?

You can use alternatives like "constant duration", "set time period", or "regular time frame" depending on the specific context.

Is "fixed interval" the same as "fixed ratio"?

No, "fixed interval" and "fixed ratio" are different concepts, especially in the context of behavioral psychology. A fixed ratio schedule provides reinforcement after a consistent number of responses, whereas a "fixed interval" provides reinforcement after a consistent amount of time.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

Editing plus AI, all in one place.

Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.

Source & Trust

83%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: