over different durations

USAGE SUMMARY

The phrase "over different durations" is correct and usable in written English.
It can be used when discussing variations or changes that occur across various time periods. Example: "The study examined the effects of the medication over different durations to determine its long-term efficacy."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

6 human-written examples

Human health assessments may need to address the combined exposures that occur by different routes and over different durations.

Environmental Sciences Europe

This study provides a coherent theoretical framework between the field structures of rainfall accumulations over different durations.

Journal of Hydrology

The quantities of hydrogen extracted from specimens of different diameters after electrolysis over different durations were used to calculate both the substantial surface concentration (C0 = 3 cmetal/cm3 metand and the hydrogen concentration profiles in austenite.

Acta Materialia

ALT1 and ALT2 were conducted in different locations over different durations (19 and 18 days, respectively).

British Journal of Sports Medicine

We used conditional logistic regression to determine the estimated drug effects, as determined by their odds ratios (ORs) and 95% confidence intervals (CI), of selective COX-2 inhibitors used over different durations (5 years, 3 years, 1 year, 6 months and 3 months).

BMC Cancer

Using longitudinal cohort data to model the effect of adherence on viral load over different durations of viral suppression, the authors notably concluded that, among patients with at least 12 months of viral suppression, a minimum adherence level of 50% could reduce the probability of virological failure to 2-62-6%

British Medical Journal

Human-verified similar examples from authoritative sources

Similar Expressions

54 human-written examples

First, this is a post hoc analysis of 6 randomized, double-blind clinical trials composed of chronically ill patients with schizophrenia and first episode schizophrenic patients studied over different treatment durations [between 12 (for acute phase) and 28 weeks].

BMC Psychiatry

From studies that reported risks over two or more different durations of follow-up (from a fixed timepoint of baseline RNA or CD4 measurement) [30], [31], we included the estimate for the shortest follow-up duration, as short-term prognostic indications are likely to be most relevant in patient management.

Plosone

Results were reproducible for differently labeled fibronectin (Rhodamine- or FITC-labeled fibronectin) added for slightly different durations by three different scientists over 10 year's period.

Plosone

Although a number of studies have used behaviour to document the sub-lethal effects of fluoxetine, the repeatability of these effects across experiments, across behavioural contexts, and over different exposure durations are rarely considered.

Chemosphere

Fig. 6a shows the number of the surveyed PMUs increased from 26 in 2009 to 83 in 2012, and Fig 6b shows the distribution of the GPS loss events from 2009 to 2012 over different time durations.

Journal of Modern Power Systems and Clean Energy

Expert writing Tips

Best practice

When comparing the effects of a phenomenon across various timescales, use "over different durations" to clearly indicate that you are analyzing how the phenomenon manifests at different lengths of time.

Common error

Avoid using "over different durations" when you actually mean "with different frequencies". Duration refers to length of time, while frequency refers to how often something occurs.

Linguistic Context

The phrase "over different durations" functions as a prepositional phrase modifying a verb or noun, indicating that an action, study, or effect occurs or is observed across varying time periods. As Ludwig AI confirms, the phrase is grammatically correct and usable.

Expression frequency: Uncommon

Frequent in

Science

75%

News & Media

20%

Wiki

5%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "over different durations" is a grammatically sound prepositional phrase primarily used in scientific and technical contexts to denote that something is being examined or analyzed across various timeframes. Ludwig AI confirms its usability in written English. While not extremely common, it's a precise way to indicate that an analysis considers multiple time periods, offering a clear indication of the scope of the study or observation. Alternatives like "across varying time periods" or "for different lengths of time" can provide similar meaning, depending on the specific context. Remember to differentiate duration from frequency to avoid common usage errors.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

across varying time periods

Changes the preposition and uses synonyms to emphasize the variability of the time spans.

for different lengths of time

Replaces "durations" with "lengths of time", offering a more explicit and less formal alternative.

spanning various timeframes

Uses a more concise verb and noun to describe the act of covering different time spans.

through different time intervals

Substitutes "durations" with "time intervals", focusing on the discrete nature of the time periods.

at different points in time

Shifts the focus to specific moments rather than lengths of time, implying observations made at those moments.

during different phases

Emphasizes stages or segments within a process, changing the context slightly.

over a spectrum of durations

Introduces the idea of a continuous range rather than discrete durations.

with varying time spans

Focuses on the characteristic of having different lengths of time.

in diverse temporal extents

Uses more formal and technical language to describe different time lengths.

across a range of periods

Uses synonyms to convey the idea of different time periods considered.

FAQs

How can I use "over different durations" in a sentence?

This phrase is used to indicate that something is being examined or considered across various lengths of time. For example, "The effects of the drug were studied over different durations to assess its long-term impact."

What are some alternatives to "over different durations"?

Alternatives include "across varying time periods", "for different lengths of time", or "spanning various timeframes", depending on the specific context.

Is it more appropriate to use "over different durations" or "during different durations"?

"Over different durations" typically implies a study or analysis that spans various time periods, while "during different durations" suggests events occurring within those time periods. The better choice depends on the specific meaning you want to convey.

Can "over different durations" refer to past or future events?

Yes, "over different durations" can be used to describe past, present, or future events, as long as the context involves considering or comparing varying lengths of time. For instance, "We will monitor the project's progress over different durations to ensure timely completion."