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
long term validity
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "long term validity" is correct and usable in written English.
It can be used when discussing the duration or sustainability of something's effectiveness or relevance over an extended period. Example: "The long term validity of this research study is crucial for its application in future projects."
✓ Grammatically correct
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 examples from authoritative sources
Exact Expressions
1 human-written examples
Chris Pennell, principal analyst with Kable, warned that there could be some holes in the audit that undermine the long term validity of the figures.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Fitch and Moody's also provide such flags.Although critics generally accept the long-term validity of ratings, there has been vociferous criticism of the agencies' short-term performance.
News & Media
While the recent roller-coaster ride in contemporary art has shocked some investors, art fund managers say the long-term validity of art as an alternative asset is amply demonstrated by statistics.
News & Media
To evaluate the long-term validity and safety of pure oats in the treatment of children with celiac disease.
Science
Recent studies showed reasonable long-term validity of land use regression models [ 26, 27].
Our study is an assessment of the long-term validity of judgements made from the information on UCCA/UCAS forms.
Science
Beyond the admissions stage, there needs to be some test of long-term validity in terms of students' success at medical school.
Science
7 9 10 The vocabulary checklist accurately detects toddlers with no or small spoken vocabularies and has been the entry criterion for other trials in this age group, 16 although its long term predictive validity has been both criticised and defended.
Science
For practical reasons, data from a second study were obtained to assess the construct validity of long term absence from work data of the TiC-P.
Science
Additionally, the results on the validity of the reported data related to contacts with psychotherapists and long term absence from work for the validity of the TiC-P are promising.
Science
To compare available instruments and investigate which best measure the quality of end-of-life care (QOC) and quality of dying (QOD) in long term care settings, in terms of validity, reliability, and feasibility.
Expert writing Tips
Best practice
When discussing research or data, clearly define the timeframe considered "long term" to avoid ambiguity. Be specific about the duration for which the validity is expected to hold.
Common error
Avoid assuming that something valid at one point will remain so indefinitely. Regularly reassess and validate your data or findings to ensure ongoing accuracy and relevance.
Source & Trust
82%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "long term validity" functions as a noun phrase, where "long term" acts as a compound adjective modifying the noun "validity". It describes the extent to which something remains accurate or relevant over a considerable period, as shown by examples in Ludwig.
Frequent in
Science
63%
News & Media
23%
Wiki
7%
Less common in
Formal & Business
3%
Encyclopedias
2%
Reference
2%
Ludwig's WRAP-UP
The phrase "long term validity" is grammatically correct and describes the extent to which something remains accurate and relevant over an extended period. Ludwig AI confirms its usability and identifies its function as a noun phrase. It's commonly used in science and news contexts. To ensure clarity, specify the timeframe when using this phrase and avoid assuming constant validity. Alternatives include "enduring validity" and "sustained validity". Recognizing potential threats to "long term validity", like changing assumptions or environmental conditions, is crucial for accurate long-term assessments.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
enduring validity
Replaces "long term" with "enduring", emphasizing the lasting quality of validity.
lasting validity
Similar to "enduring validity", highlighting the continuation of validity.
sustained validity
Focuses on the ongoing maintenance of validity over time.
permanent validity
Suggests an unchanging, fixed state of validity, implying no decay.
longitudinal validity
Emphasizes a study or assessment of validity over a considerable period of time.
extended validity
Highlights the prolonged nature of the validity.
continued validity
Focuses on the uninterrupted state of being valid.
durable validity
Stresses the robustness and resilience of the validity over time.
long-range validity
Uses "long-range" as a substitute for "long term", which is more spatial than temporal.
time-independent validity
Emphasizes that the validity is not affected by the passage of time.
FAQs
How can I assess the "long term validity" of a research study?
To assess the "long term validity" of a research study, consider conducting follow-up studies, analyzing data trends over extended periods, and comparing results with newer research to ensure the findings remain relevant and accurate.
What factors might threaten the "long term validity" of a model?
Factors that can threaten the "long term validity" of a model include changes in underlying assumptions, evolving environmental conditions, technological advancements, and shifts in the population or system being modeled.
How does "short term validity" differ from "long term validity"?
"Short term validity" refers to the accuracy and reliability of something over a brief period, while "long term validity" concerns its sustained accuracy and reliability over an extended duration. Factors influencing validity can change significantly over time.
What are some alternatives to "long term validity"?
You can use alternatives like "enduring validity", "lasting validity", or "sustained validity" depending on the specific nuance you wish to convey.
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
82%
Authority and reliability
4.3/5
Expert rating
Real-world application tested