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
enrolled in the study
Grammar usage guide and real-world examplesUSAGE SUMMARY
"enrolled in the study" is correct and usable in written English. You can use it when referring to someone who has signed up or registered to participate in a research study. Example: "She was enrolled in the study to assess the new medication's effectiveness." Alternative expressions include "participating in the study" and "registered for the study."
✓ Grammatically correct
Science
Academia
News & Media
Alternative expressions(20)
participated in the study
included in the study
recruited for the study
took part in the study
joined the study
were involved in the study
contributed to the study
were enrolled in the study
assisted with the study
participated in the discussion
participated in the test
participated in the process
participated to the study
contributed to the success
were recruited for the study
were included in the study
take part in the study
took part in the discussion
took part in the meeting
take part in the tournament
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
Forty patients were enrolled in the study.
Of the 518 participants enrolled in the study, 318 finished.
Science & Research
Twenty-five ASD participants were enrolled in the study.
Science & Research
Flow diagram of disposition of patients enrolled in the study.
Science & Research
In December 2008, she enrolled in the study.
Academia
Thirty-eight subjects were enrolled in the study.
Academia
Forty-two AML patients were enrolled in the study.
Science
Results: Fourteen patients were enrolled in the study.
Science
Fifty-two patients (33 females) were enrolled in the study.
Eighty-three MMORPgamersrs were enrolled in the study.
Science
Sixty healthy postmenopausal women were enrolled in the study.
Science
Expert writing Tips
Best practice
When writing scientifically or academically, clearly state the number of participants "enrolled in the study" to provide context for the study's scope and statistical power.
Common error
Avoid using "enrolled in the study" vaguely. Specify whether "enrolled" refers to initial enrollment or active participation throughout the entire study period to prevent misinterpretations about the data.
Source & Trust
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "enrolled in the study" functions as a verbal phrase within a sentence, often acting as part of the predicate. It indicates that subjects have formally joined a research project. Ludwig provides numerous examples where this phrase is used to describe participant recruitment and study design.
Frequent in
Science
70%
Academia
15%
News & Media
10%
Less common in
Formal & Business
2%
Encyclopedias
1%
Wiki
2%
Ludwig's WRAP-UP
The phrase "enrolled in the study" is a common and grammatically correct way to describe individuals who have formally joined a research project. Ludwig AI confirms its frequent usage across various domains, particularly in scientific and academic contexts. As Ludwig’s data shows, this phrase primarily serves to inform readers about study participant details, vital for assessing the research's scope and validity. While the expression is accurate, ensure clarity by explicitly stating whether the enrollment refers to the initial phase or continuous engagement throughout the study. Alternatives such as "participated in the study" or "included in the study" offer nuanced perspectives, but "enrolled in the study" remains a precise and widely understood choice for formal research writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
participated in the study
Replaces "enrolled" with "participated", emphasizing active involvement rather than just registration.
included in the study
Focuses on the fact of being part of the study group, regardless of the process.
registered for the study
Emphasizes the act of formal registration or signing up for the study.
recruited for the study
Highlights the process of being selected or invited to join the study.
took part in the study
Similar to "participated", but slightly more informal.
joined the study
A simpler, more general way to express involvement in the study.
were subjects in the study
Emphasizes the role of the individuals as subjects of the research.
were part of the study cohort
Highlights that the individuals are part of a specific group being studied.
entered the study
Suggests the beginning of their participation in the research.
were selected for the study
Highlights the selection process and implies specific criteria were met.
FAQs
What does "enrolled in the study" mean?
The phrase "enrolled in the study" means that individuals have been formally registered and included as participants in a research project or clinical trial. It indicates they have met the initial criteria and are ready to begin the study procedures.
What are some alternatives to "enrolled in the study"?
Depending on the context, you can use alternatives such as "participated in the study", "included in the study", or "recruited for the study".
Is it correct to say "participants enrolled to the study"?
No, the correct phrase is "participants enrolled in the study". The preposition "in" is necessary to connect "enrolled" with "the study".
How is "enrolled in the study" different from "completed the study"?
"Enrolled in the study" refers to the initial act of joining a research project. "Completed the study" indicates that participants finished all required activities and data collection within the study protocol. Not all individuals who "enrolled in the study" necessarily "completed the study".
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
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested