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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
held constant
Grammar usage guide and real-world examplesUSAGE SUMMARY
"held constant" is correct and usable in written English.
You can use it to refer to something that remains unchanged over a period of time. For example: "The cost of living has increased significantly, but the value of the dollar has been held constant."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
remained unchanged
kept stable
fixed
standardized
stabilized
hold constant
holds constant
held steady
continuing
persisted unaltered
stayed the same
retained its original form
maintained consistency in
maintain consistency in
remained continuous
stayed constant
kept going
stayed exactly the same
remained identical
stayed consistent
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
Physicality was held constant.
Everything else was held constant.
News & Media
All other subject characteristics were held constant.
Course material was held constant across semesters.
Science
It isn't; enrollment has held constant.
News & Media
Other deposition conditions were held constant.
All other factors were held constant.
News & Media
Ruminally degradable protein was held constant at 10.1% of DM.
Science
The dosages of frother and depressant were held constant.
In the experiment the ambient conditions are held constant.
The thicknesses of these layers were held constant.
Expert writing Tips
Best practice
When writing scientific papers or reports, ensure that you explicitly state which variables were "held constant" to maintain experimental control and validity.
Common error
Be aware that "held constant" is specific to the context in which other factors are being manipulated. Don't assume that because something is "held constant" in one situation, it will always be so in every situation.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "held constant" functions as a modifier, specifying that a particular variable or condition remained unchanged during a process or experiment. This is supported by Ludwig AI, which confirms its correct usage. It is used to ensure that observed changes can be attributed to other factors.
Frequent in
Science
60%
Academia
20%
News & Media
10%
Less common in
Formal & Business
5%
Encyclopedias
3%
Wiki
2%
Ludwig's WRAP-UP
In summary, the phrase "held constant" is a grammatically sound and frequently used term, particularly within scientific and academic contexts. As confirmed by Ludwig AI, its purpose is to denote the unchanging state of a variable during a process, ensuring experimental validity. When employing this phrase, prioritize clarity and accuracy, explicitly specifying which variables were kept constant and why. While "held constant" is most common in formal writing, understanding its function is crucial for comprehending research findings and technical documentation. Consider using alternatives like "remained unchanged" or "kept stable" to diversify your writing while retaining the core meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
remained unchanged
Focuses on the lack of change over time, emphasizing stability.
kept stable
Highlights the active maintenance of stability.
maintained consistently
Emphasizes the uniformity and regularity of the maintenance.
kept invariable
Stresses the complete lack of variation.
fixed
Implies a firm and unyielding state.
standardized
Points towards the creation of a standard or norm that doesn't change.
not varying
Directly indicates the absence of variation.
stabilized
Highlights the act of making something stable and unmoving.
retained uniformity
Focuses on keeping things uniform and consistent.
preserved constant
Stresses effort made to continue a situation where something stays the same.
FAQs
How can I use "held constant" in a sentence?
Use "held constant" to describe variables that are intentionally kept the same in an experiment or analysis. For example, "Temperature was "held constant" to isolate the effect of pressure".
What are some alternatives to "held constant"?
Alternatives include "remained unchanged", "kept stable", or "maintained consistently". The best choice depends on the specific context.
Is it grammatically correct to say "hold constant" instead of "held constant"?
Both phrases can be grammatically correct depending on the context. "Hold constant" is often used in instructions or hypothetical situations, while "held constant" describes a past or present action. For example, "We will hold the temperature constant" vs. "The temperature was "held constant" during the experiment".
What does it mean when a variable is "held constant" in a scientific experiment?
It means that the variable's value is not allowed to change during the experiment. This ensures that any observed effects are due to changes in other variables, rather than the one "held constant".
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested