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
research extent
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "research extent" is not commonly used in written English and may be unclear in meaning.
It could be used when discussing the scope or range of research conducted on a particular topic, but it is better to clarify the intended meaning. Example: "The research extent on climate change impacts has grown significantly in recent years."
Science
News & Media
Formal & Business
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
Balance between HPSR + A research and other types of research Topic Total number of projects Total financial value across all projects Duration of projects Number of researchers per project Balance between HPSR + A research and other types of research Extent of current management only of research activities in terms of: 2.2.1.
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Suggestions for future research could extent the concepts and relationships presented.
The Emergency Nurses Association (ENA) conducted a study to understand levels of education in research, the extent of experience, and needs and barriers to research at the individual and organizational levels in emergency nursing.
Science
Were you yourself surprised to discover, through your research, the extent to which others rather than Johnson and MLK Jr. deserve credit for the passage of this landmark legislation?
News & Media
I had stopped eating beef (and all other meat) several years ago in 2009, when I realised (through TEEB research) the extent of natural capital damage caused by meat production systems- such as the impacts on mangrove forests of prawn farming, the unsustainability of ocean fisheries and livestock's long shadow on rainforests.
News & Media
Despite the wide use of cell lines in cancer research, the extent to which their surface properties correspond to those of primary tumors is poorly characterized.
Science
Without additional formative research, the extent of these challenges in rural South African communities will remain unquantified.
Science
Future research could extent this validation study by investigating the multilevel psychometric characteristics of the Arabic version in different Arab countries.
Science
Further research should extent the evidence on the current influence of different components of the family practice curriculum, voluntary and mandatory, on the de facto career decisions of young physicians after graduation.
Science
It is researching the extent to which institutions already use their own tests, what value they add and how well applicants and their advisers understand them.
News & Media
Davis and Claridge (1998) researched the extent to which addictive personality traits explained the co-morbidity between EDs and SUDs.
Science
Expert writing Tips
Best practice
When using "research extent", consider whether more common phrases like "scope of research" or "range of research" might provide greater clarity for your audience. Context is key, and sometimes a less ambiguous term enhances understanding.
Common error
Avoid using "research extent" in contexts where more standard phrasing would be clearer. Overusing uncommon phrases can make your writing sound unnatural or confusing. Always prioritize clarity and ease of understanding.
Source & Trust
84%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "research extent" functions as a noun phrase, often acting as the object of a preposition or verb. It describes the scope, range, or depth of a research investigation. As Ludwig AI notes, while grammatically acceptable, more common phrases might provide greater clarity.
Frequent in
Science
60%
News & Media
20%
Formal & Business
20%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "research extent" is a grammatically acceptable phrase used to describe the scope, range, or depth of a research investigation. However, Ludwig AI suggests that it is less common than alternatives like "scope of research" or "range of research", which may offer greater clarity. Predominantly used in formal and scientific contexts, it aims to define the boundaries of a study. When using this phrase, consider whether more common alternatives would be better understood by your audience. While "research extent" isn't incorrect, prioritizing clarity ensures effective communication. Despite being less frequent, it appears across Science, News & Media, and Formal & Business domains.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
scope of research
Focuses on the breadth and boundaries of the research.
range of research
Highlights the variety and diversity covered by the research.
depth of research
Emphasizes the level of detail and thoroughness in the research.
extent of study
Similar to scope, but emphasizes the specific study being conducted.
magnitude of research
Focuses on the scale and importance of the research effort.
dimensions of research
Highlights different aspects or components examined in the research.
characteristics of research
Emphasizes the features and qualities defining the research.
reach of research
Focuses on how far the research extends in terms of impact or application.
degree of research
Indicates the intensity and completeness of the research.
scale of research
Highlights the size and scope of the research project.
FAQs
What does "research extent" mean?
"Research extent" refers to the scope, range, or depth of investigation in a particular area of study. It describes how much ground the research covers or how thoroughly it explores a topic.
How can I use "research extent" in a sentence?
You can use "research extent" to describe the breadth or depth of a study. For example, "This research investigates the "extent of the problem"" or "The "research scope" included multiple countries."
What are some alternatives to "research extent"?
Alternatives to "research extent" include "scope of research", "range of research", "depth of research", and "extent of the study". The best choice depends on the specific context.
When is it appropriate to use the phrase "research extent"?
It's appropriate to use "research extent" when you want to emphasize the degree or magnitude of the research conducted. However, be mindful that other phrases might be more commonly understood. Assess your audience and the clarity of your writing when making your choice.
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
84%
Authority and reliability
3.8/5
Expert rating
Real-world application tested