separated by three weeks

USAGE SUMMARY

The phrase "separated by three weeks" is correct and usable in written English.
It can be used to describe a time interval between two events or occurrences. Example: "The two meetings were scheduled to be separated by three weeks to allow for adequate preparation."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

They investigated stabililty of preferences by carrying out the valuation task on three occasions, each separated by three weeks.

Health and Quality of Life Outcomes

To assess test-retest reliability, the ECOHIS was administered on two occasions (separated by three weeks) to another convenience sample of parents (N = 55) of preschool aged children recruited from daycare centers.

Health and Quality of Life Outcomes

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

This category does not apply in cases where the conventions were separated by two weeks or less.

The New York Times

Blocks of, say, five eight-week terms separated by two weeks off and with four weeks in the summer is a way of working which makes sense.

Independent

The questionnaire was sent to all non-student members (648) of the Australian Equine Veterinary Association: two mailings and a single telephone contact (each separated by four weeks).

Preventive Veterinary Medicine

The order of treatments was randomized between patients (so some received the control first, and others the tACS first, but were not informed which), and the electrical activity and pain reporting were recorded after each session, which were separated by two weeks.

Harvard University

To study the variations in markers associated with cognitive functions, we extracted three event-related field (ERF) features from time-locked global field power (GFP) epochs using MEG while participants were performing a numerical N-back task in four consecutive measurements conducted during two different days separated by two weeks.

Physiology & Behavior

We're also inviting people to submit data twice, separated by six weeks.

BBC

Nine radiologists (3 faculty, 3 abdominal imaging fellows, and 3 senior radiology residents) independently interpreted all examinations using both NSR and SR, separated by four weeks.

Duke University

The group recorded over two eight-day stretches around Christmas 1983, separated by two weeks of canceled studio time that allowed the band to play a show in Greensboro, North Carolina, go out to see a movie, and shoot a video in the studio.

Wikipedia

Two testing sessions separated by two-to-three weeks were carried out in order to obtain a replication of the basic results for the visual search task and to test the trajectory of forgetting in the episodic memory test.

Plosone

Expert writing Tips

Best practice

When using "separated by three weeks" in research writing, specify what is being separated, ensuring clarity. For instance, "Data collection points were separated by three weeks."

Common error

Avoid using "separated by three weeks" in casual conversation. Opt for simpler phrases like "three weeks apart" to maintain a natural tone.

Linguistic Context

The phrase "separated by three weeks" functions as a post-modifier, specifying the time interval between two events or actions. Ludwig confirms its grammatical correctness and common usage. It clarifies the temporal relationship between occurrences, providing essential context.

Expression frequency: Uncommon

Frequent in

Science

60%

News & Media

20%

Academia

20%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "separated by three weeks" is a grammatically sound and relatively common way to describe a time interval between two events. As confirmed by Ludwig, it's often used in scientific, academic, and news contexts to provide clarity and precision. Alternative phrases such as "three weeks apart" or "with a three-week interval" can offer variety, but "separated by three weeks" remains a clear and useful option, especially when specifying the gap between occurrences. While Ludwig.ai validates its usage and gives practical writing guidance, it's best to avoid overusing it in informal conversation.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

three weeks apart

Emphasizes the distance or interval between two points in time, focusing on the space between them.

with a three-week interval

Highlights the existence of a specific time interval between events, adding a formal tone.

at three-week intervals

Implies recurring gaps of three weeks between multiple events, denoting a pattern.

spaced three weeks out

Indicates a deliberate arrangement with three weeks between items, suggesting planning or scheduling.

following a three-week gap

Focuses on the period of inactivity or absence that occurs for three weeks.

after a three-week delay

Highlights a pause or postponement of three weeks before a subsequent action or event.

three weeks in between

A simpler, more casual way of expressing the presence of a three-week period separating two events.

punctuated by a three-week break

Highlights the interruption of a continuous process with a three-week rest period.

divided by three weeks

Stresses the act of partitioning a duration, where three weeks forms the measure of separation.

with a three-week buffer

Indicates a safeguard or extra time of three weeks included for safety or flexibility.

FAQs

How can I use "separated by three weeks" in a sentence?

You can use "separated by three weeks" to describe a time interval between two events or actions. For example, "The study sessions were "three weeks apart" to allow participants to process the information."

What are some alternatives to the phrase "separated by three weeks"?

Some alternatives include "three weeks apart", "with a three-week interval", or "at three-week intervals" depending on the specific context.

Is it correct to say "separated for three weeks" instead of "separated by three weeks"?

While "separated for three weeks" is grammatically correct, it implies a continuous state of separation lasting three weeks, rather than an interval between two discrete events. The phrase "separated by three weeks" is more precise when referring to the gap between specific occurrences.

What's the difference between "separated by three weeks" and "spaced three weeks apart"?

"Separated by three weeks" indicates a time interval between two events, while "spaced three weeks apart" suggests a more intentional arrangement or scheduling of multiple items or events with equal intervals.