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
CEO of Professional Science Editing for Scientists @ prosciediting.com
duration of screen
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "duration of screen" is not correct in standard written English.
It seems to be an incomplete expression and lacks clarity without additional context. Example: "The duration of screen time should be limited for children's health."
⚠ May contain grammatical issues
Science
News & Media
Alternative expressions(3)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
One other issue in design is the duration of screening.
(ii) The frequency and optimal duration of screening need to be studied.
Science
Furthermore, the estimates are not in general comparable, because they depend on both the duration of screening and duration of follow-up.
Science
Estimates depend on both the duration of screening and the follow-up period, and are therefore not generally comparable.
Science
Analysis identified duration of screening sensitivity as a key variable that may be unavailable from clinical trials.
One-way sensitivity analysis indicated that duration of screening sensitivity and rescreen interval impact AD-FYs the most.
The duration of screening varied from 5 to 20 years and the duration of follow-up varied from 5 to 30 years.
Science
Of note, the longer duration of screening with MRI in the US strategy considerably increases screening costs and false-positive screens relative to the Dutch and UK strategies, which reduces the cost-effectiveness of screening.
Science
We found no papers commenting that overdiagnosis adjusted for model-based lead time depends on both the duration of screening and the duration of follow-up after screening, and only one paper actually estimating the life-time risk (Falk et al, 2013).
Science
The estimated mortality reduction in the screening program is similar to the PSE estimates because the long-duration of screening (5 annual or 3 biennial screenings followed by 3 5 years hiatus followed by 5 annual or 3 biennial screenings) in the trial approximated the 21 years of periodic screening.
The entire 96-well plates of these controls were staggered throughout the duration of this screen to allow for statistical correction of plate positional effects.
Science
Expert writing Tips
Best practice
For clarity, specify the context when using "duration of screen". For example, "The duration of screen use should be limited."
Common error
Avoid using "duration of screen" without specifying what you are measuring. It's better to say "duration of screen time" or "length of screen use" to be more precise.
Source & Trust
78%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "duration of screen" acts as a prepositional phrase, often functioning to specify a time period related to screen activity. However, it frequently requires additional context for clarity, as noted by Ludwig. It is often part of a larger noun phrase, modifying another noun.
Frequent in
Science
35%
News & Media
33%
Wiki
17%
Less common in
Formal & Business
5%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
In summary, while the phrase "duration of screen" appears in various contexts, including scientific and news media, Ludwig AI points out that it's often grammatically questionable without more context. It frequently serves to quantify or measure how long a screen is in use. For improved clarity, consider using alternatives such as "screen time duration" or "length of screen time" for better grammatical correctness and precision.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
screen time duration
Reorders the words to create a more standard noun phrase.
length of screen time
Substitutes "duration" with "length" and specifies "screen time" for clarity.
how long the screen is on
Uses a more descriptive and informal way to express the duration.
period the screen is active
Replaces "duration" with "period" and uses "active" instead of "on".
time spent on screen
Focuses on the user's engagement with the screen.
screen usage time
Combines "screen" and "usage" to create a compound noun.
amount of time on the screen
Specifies "amount of time" for greater emphasis on quantification.
screening period
Emphasizes the temporal aspect of a screening process.
on-screen time
Uses "on-screen" as a compound adjective to describe the time.
screen's active duration
Uses a possessive form to indicate the screen's active time.
FAQs
How can I use the concept of "duration of screen" in a sentence?
While "duration of screen" is not ideal, you can use alternatives like "screen time duration" or "length of screen time" to express the amount of time spent using a screen.
What's a better way to say "duration of screen"?
Instead of "duration of screen", consider using phrases such as "screen usage time", "on-screen time", or simply "screen time" depending on the context.
Is "duration of screen" grammatically correct?
According to Ludwig AI, the phrase "duration of screen" is not correct in standard written English and requires more context. Using "screen time duration" or "length of screen time" is preferable.
When should I use "duration of screen" versus "screen time"?
While "screen time" is a common and widely understood term, "duration of screen" requires more specific context. For example, "the duration of screen sensitivity" is a more specific scientific usage, but in general conversation, "screen time" is clearer.
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.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
78%
Authority and reliability
2.8/5
Expert rating
Real-world application tested