observation period

USAGE SUMMARY

"observation period" is a correct and usable phrase in written English.
You can use it to refer to a set period of time in which one is observed, monitored, or studied. For example, "The doctor ordered an observation period of two weeks to monitor the patient's condition."

✓ Grammatically correct

Science

Science & Research

News & Media

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

We observe ∼100 keV ions over the entire observation period.

Earth, Planets and Space

All other pigs survived the observation period.

The Journal of Thoracic and Cardiovascular Surgery

Mean observation period was 44.4 months.

Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology

The mean observation period was 74 months.

Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology

The black square bracket indicates the ICESat-1 observation period.

Nature

The observation period was 8.5 years (range 5 12 years).

European Journal of Obstetrics & Gynecology and Reproductive Biology

The observation period of samples can significantly be shortened.

Optik - International Journal for Light and Electron Optics

Sixty-four boreventsts were detected during the observation period.

Advances in Space Research

During the observation period, we recorded only partial reversion of vessel diameter to pre-stimulation dimensions.

Nature

They were released after a 20-min seated recovery and observation period.

Nature

Station Observation period Lat.

Earth, Planets and Space

Expert writing Tips

Best practice

When describing a research study, clearly define the "observation period" to avoid ambiguity. Include specific start and end dates or criteria for determining the period's length.

Common error

Avoid using vague terms like "short" or "long" when describing the "observation period". Always provide specific durations (e.g., days, months, years) to ensure clarity and replicability.

Linguistic Context

The phrase "observation period" functions as a noun phrase, typically acting as a subject or object in a sentence. It designates a specific timeframe dedicated to monitoring or studying a particular phenomenon, as Ludwig demonstrates.

Expression frequency: Very common

Frequent in

Science

40%

Science & Research

30%

News & Media

15%

Less common in

Formal & Business

5%

Academia

5%

Encyclopedias

5%

Ludwig's WRAP-UP

The phrase "observation period" is a grammatically sound and frequently used noun phrase, as confirmed by Ludwig. It serves to define a specific duration for monitoring or studying a phenomenon, and appears predominantly in scientific, research, and news contexts. While its usage is appropriate across different registers, it maintains a formal and professional tone. When using "observation period", it's best practice to avoid vague references to the timeline; precision is favored by specifying exact durations. Alternative expressions include "monitoring duration" and "study duration" depending on the context. Given its correctness and prevalent usage, as evidenced by Ludwig, "observation period" remains a reliable choice for clear communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

time under observation

Rephrases the concept, emphasizing the state of being observed during a specific time.

monitoring duration

Focuses on the length of time something is monitored, rather than a general period of observation.

study duration

Emphasizes the length of a research study, implying a more structured observation.

follow-up time

Highlights the time spent tracking something after an initial event or intervention.

assessment interval

Refers to the time between assessments or evaluations, suggesting regular checks.

surveillance period

Implies a more watchful and potentially investigative form of observation.

evaluation window

Suggests a specific timeframe for evaluating something, often with a defined start and end.

period of scrutiny

Suggests a detailed and critical examination over a set duration.

reporting timeframe

Focuses on the period during which data or information is collected for a report.

experimental timeframe

Specifies the duration of an experiment, highlighting the controlled conditions.

FAQs

How do I use "observation period" in a sentence?

You can use "observation period" to describe a specific duration during which something is monitored or studied. For example, "The patients were monitored for adverse effects during the entire "observation period"".

What is another way to say "observation period"?

Alternatives to "observation period" include "monitoring duration", "study duration", or "follow-up time", depending on the specific context.

Is it correct to say "the observation period was short"? If not, how can I make it correct?

While grammatically correct, "the observation period was short" lacks precision. It's better to specify the actual duration, such as "the observation period lasted 2 weeks".

What's the difference between "observation period" and "study duration"?

"Observation period" is a general term for a time during which something is observed. "Study duration" specifically refers to the length of time a research study is conducted. The "observation period" can be part of a study, but it can also exist outside of a formal study.