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
it is a stimulus
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it is a stimulus" is correct and usable in written English.
You can use it when discussing something that provokes a response or reaction, often in a psychological or physiological context. Example: "In the experiment, it is a stimulus that triggers the desired response in the subjects."
✓ 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
3 human-written examples
It is a "stimulus substitution" paradigm where one stimulus can be swapped for another to provoke a response.[9] However, the responses that are provoked remain unchanged; all that changes is the stimulus that gets associated with the response.
Science
And on the stimulus part, we can't get people in the White House to say it is a stimulus -- $50 billion for roads and other infrastructure, but they avoid the word "stimulus" like the plague.
News & Media
They also explain that the larvae make these navigational decisions based on the change in the intensity of the stimulus over the preceding 2.5 seconds; it is important to note that it is a stimulus change that is most salient.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
"If anything, it's a stimulus plan for the rich," said Senator Tom Daschle, the Democratic leader.
News & Media
It's a stimulus for the players, the fans and the club.
News & Media
"You can argue about whether it's a stimulus package or an investment policy or just supporting growth.
News & Media
It's a stimulus plan that actually works immediately.
News & Media
DeMint: Let's not say it's a stimulus when it's a government spending plan.
News & Media
It's a stimulus for innovation, creativity and greater awareness of our common problems.
News & Media
Thus, it is reasonable to expect that different patients will exhibit different responses to stimuli, whether it is a survival stimulus from the microenvironment or a therapeutic agent used to treat the disease.
Science
I am flabbergasted... and think it is a great stimulus to the economy!... or a stimulus to med providers whom I can better pay". .
News & Media
Expert writing Tips
Best practice
When using "it is a stimulus", ensure that the context clearly identifies what 'it' refers to, to avoid ambiguity. For clarity, precede the phrase with a subject or explanation. Consider using verbs like 'serves as', 'acts as', or 'functions as' for a more active voice.
Common error
Avoid using the phrase in overly broad contexts where the specific type of stimulus is unclear or undefined. Be specific about the nature and purpose of the stimulus for clarity and impact.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it is a stimulus" functions as a nominal predicate, identifying or characterizing 'it' as something that provokes a response. Ludwig AI confirms its correct usage, showing its application in diverse contexts, from behavioral psychology to economic policy.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "it is a stimulus" is grammatically correct and commonly used to identify something as a cause or instigator of a response, as supported by Ludwig AI. Its frequency is classified as common, with the phrase most often found in science and news contexts. While adaptable across different registers, the phrase lends itself more appropriately to formal and neutral environments, serving to explain or define rather than to engage in casual expression. While "it acts as a catalyst" and "it serves as an impetus" offer similar ideas, remember to stay specific when defining the stimulus to avoid ambiguity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it functions as an impetus
Replaces "stimulus" with "impetus" and uses "functions as" instead of "is a", emphasizing the role of providing momentum.
it serves as a catalyst
Substitutes "stimulus" with "catalyst", highlighting the aspect of initiating or accelerating a process.
it acts as a trigger
Replaces "stimulus" with "trigger", focusing on the action of setting something off.
it constitutes a motivation
Replaces "stimulus" with "motivation", emphasizing the aspect of driving action.
it represents an incentive
Changes "stimulus" to "incentive", focusing on encouraging or prompting behavior.
it provides a spark
Replaces "stimulus" with "spark", highlighting the aspect of initiating something new or exciting.
it is a contributing factor
Expands the phrase to highlight that the subject is one of the causes.
it encourages a reaction
Focuses on the effect or response that the subject produces.
it prompts a response
Similar to "encourages a reaction" but implies a more direct and immediate effect.
it initiates action
Focuses on the subject's capability of being the starting point.
FAQs
How can I use "it is a stimulus" in a sentence?
You can use "it is a stimulus" when describing something that triggers a reaction or response. For example, "In classical conditioning, the bell "it is a stimulus" that becomes associated with food."
What are some alternatives to "it is a stimulus"?
Alternatives include "it serves as a catalyst", "it acts as a trigger", or "it provides an incentive", depending on the specific context and intended meaning.
Is it better to say "it is a stimulus" or "it acts as a stimulus"?
"It acts as a stimulus" often provides a more active and dynamic sense, while ""it is a stimulus"" is more descriptive. The best choice depends on the specific context and desired emphasis.
What is the difference between "it is a stimulus" and "it is an incentive"?
While both prompt a response, ""it is a stimulus"" is a general term for anything that elicits a reaction, whereas "it is an incentive" specifically implies something that encourages a particular behavior or action.
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
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested