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
studied subjects
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "studied subjects" is correct and usable in written English.
You can use it to refer to topics or areas of study that someone has engaged with or learned about. Example: "In my academic career, I have focused on several studied subjects, including biology, chemistry, and physics."
✓ Grammatically correct
Science
News & Media
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
60 human-written examples
They studied subjects like Greek philosophy, but mostly as a form of "opposition research".
News & Media
For a decade, he studied subjects including philosophy and folklore, both on his own and with private tutors.
News & Media
This is one reason many economists have long avoided such research and have instead studied subjects like income, which have a solid quantitative underpinning.
News & Media
The uniform carbon dioxide corrosion is one of the most widely studied subjects in corrosion science and engineering.
We studied subjects representative of incident US dialysis patients.
Science
We studied subjects with AHI prospectively to develop better treatment and public health interventions.
Science
No animal handling or invasive experiment was done on studied subjects.
Science
Most of the unmodified H2B peptides were found in the adipocytes from all six studied subjects.
Science
We observed a positive correlation between the reactivities to HBHA and non-specific PPD among all studied subjects.
Science
Allele frequencies and linkage disequilibrium (LD) in studied subjects were comparable to those from HapMap (Table S1).
Science
For comparison, we also studied subjects with defects of OPA1.
Science
Expert writing Tips
Best practice
When using "studied subjects", ensure clarity by specifying the field or context of study, such as "studied subjects in clinical trials".
Common error
Avoid using "studied subjects" without providing context. Instead of saying "the studied subjects showed improvement", specify what subjects were studied and in what area they showed improvement. For example, say "the patients studied showed improvement in their cognitive functions".
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "studied subjects" functions primarily as a noun phrase, typically referring to the individuals, topics, or entities that are the focus of a particular study or investigation. As shown by Ludwig, it is grammatically sound and frequently encountered in scientific and academic writing.
Frequent in
Science
88%
News & Media
10%
Formal & Business
2%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "studied subjects" is a grammatically correct and frequently used term, primarily found in scientific and academic contexts. It serves to denote the specific individuals, topics, or entities under investigation in a study. Ludwig AI confirms its validity and usability. Related phrases include "investigated topics" and "researched areas", offering alternative ways to convey similar meanings. When using the phrase, clarity is key; specify the field or context of study to avoid ambiguity. Overall, "studied subjects" is a versatile and appropriate term for academic and research-oriented writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
investigated topics
Focuses on the areas of inquiry rather than the entities being studied.
researched areas
Emphasizes the investigative aspect of the subjects.
examined themes
Highlights the key ideas or motifs under consideration.
explored issues
Suggests a more in-depth and comprehensive analysis of the subjects.
analyzed populations
Specifically refers to the group of individuals being studied with analytical lens.
evaluated cohorts
Indicates a formal assessment of a specific group of subjects.
assessed themes
Focuses on evaluating the themes under consideration.
surveyed groups
Emphasizes the data collection aspect from a group of subjects.
observed cases
Highlights the act of observing specific instances or subjects.
considered aspects
Emphasizes a more thoughtful and reflective examination of the subjects.
FAQs
How can I use "studied subjects" in a sentence?
You can use "studied subjects" to refer to the individuals or topics being examined in a study. For example, "The characteristics of the "studied subjects" are presented in Table 1".
What's a good alternative to "studied subjects" when referring to topics?
When referring to topics, alternatives include "investigated topics", "researched areas", or "examined themes depending on the specific context.
Is there a difference between "studied subjects" and "research subjects"?
"Studied subjects" generally refers to the individuals or topics that have already been examined in a study. "Research subjects", on the other hand, can refer to those currently or prospectively involved in a study.
Which is more formal, "studied subjects" or "study participants"?
"Study participants" tends to be more common and neutral, especially in scientific contexts. "Studied subjects" is also acceptable but may imply a more retrospective analysis.
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested