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
calls for observation
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "calls for observation" is correct and usable in written English.
It can be used when indicating that something requires attention or scrutiny, often in a formal or analytical context. Example: "The recent changes in climate patterns call for observation to understand their long-term effects on agriculture."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(20)
worth checking out
merit a listen
worth a look
worth watching
is a valuable read
deserves consideration
commands attention
deep attention
deserving a listen
worthy attention
warrants scrutiny
deserves attention
merits scrutiny
is noteworthy
requires investigation
merits attention
worth listening to
worth a listen
should be heard
demands attention
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Made for a garden, it is also unique among Michelangelo's works in calling for observation from all sides rather than primarily from the front.
Encyclopedias
In China, national guidelines regarding H7N9-infected patients call for observation of contacts for 7 days after exposure for signs and symptoms of infection and, if any occur, collection of throat swab specimens for testing by molecular assays (5 ).
Science
This calls for longer observation periods and better rating instruments than those of most existing studies.
This list of goods calls for several observations.
Science
The concept called for the observation craft to flush out the enemy, so the gunships could force them to halt.
News & Media
The Army's performance specifications called for an observation craft that would keep a pilot and passenger aloft for more than one hour and fly at an average speed of 40 miles (65 km) per hour.
Encyclopedias
By 1965, the Lancet was calling for direct observation and supervision of rickets prophylaxis among "young immigrants" by health visitors as a "justifiable extension of preventive medicine in these circumstances".
Such an approach calls for close technographic observation of farming activities and the interaction between farmers and their fields, plants and tools.
Calls for first-hand observation in Tibet to ascertain the truth are frequently used by the Chinese government as a way of defending its policies in Tibet.
News & Media
Although the observing of selected star positions with meridian circle telescopes had become well established by observers during the 18th and early 19th centuries, the new plan called for meridian observations of all stars down to the ninth magnitude.
Encyclopedias
Low ratings call for additional observations from the principal, and the eventual possibility that the teacher will lose his or her job.
News & Media
Expert writing Tips
Best practice
When using "calls for observation", ensure the subject clearly indicates what specifically needs to be observed. This adds clarity and purpose to the statement.
Common error
Avoid using "calls for observation" in casual conversation. This phrase is best suited for formal reports, analyses, or academic writing where a need for detailed scrutiny is being emphasized.
Source & Trust
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "calls for observation" functions as a verb phrase that indicates a need or demand for careful and systematic scrutiny. It serves to highlight that a particular situation, phenomenon, or result warrants close attention and monitoring. Ludwig AI confirms its usability in written English.
Frequent in
Science
35%
News & Media
25%
Encyclopedias
15%
Less common in
Formal & Business
10%
Wiki
5%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "calls for observation" is a grammatically correct and commonly used expression that indicates a need for careful scrutiny and monitoring. As Ludwig AI points out, it's effective and appropriate in formal, scientific, and professional contexts, though less so in casual conversation. Alternatives such as "requires monitoring" or "demands scrutiny" can be used to vary your language, but the core meaning remains consistent: emphasizing the importance of close attention. When using this phrase, ensure clarity about what specifically needs to be observed to maximize its impact.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
entails close observation
This version emphasizes the closeness and attentiveness required during the observation process.
necessitates observation
This alternative uses a more formal verb, 'necessitates', to emphasize the requirement for observation.
requires monitoring
This option replaces "observation" with "monitoring", suggesting a continuous and systematic observation.
demands scrutiny
This phrase uses "scrutiny" instead of "observation", implying a more detailed and critical examination.
warrants inspection
This alternative suggests that something deserves a formal or official inspection.
invites examination
This phrase implies that something is worth examining, but not necessarily required.
suggests a need for observation
This alternative is more verbose and softens the directness of the original phrase.
prompts further investigation
This option highlights the investigative aspect of observation, suggesting a deeper inquiry.
justifies surveillance
This phrase suggests that the situation warrants keeping watch, possibly in a covert manner.
creates a need for monitoring
This expresses the same request with slightly different language; replacing the verb and adding 'a need'.
FAQs
How can I use "calls for observation" in a sentence?
Use "calls for observation" to indicate that a situation or phenomenon requires close scrutiny. For example, "The unexpected results from the experiment "calls for observation" of the methodology".
What's a good substitute for "calls for observation"?
Alternatives include "requires monitoring", "demands scrutiny", or "necessitates observation", depending on the specific nuance you want to convey.
Is it appropriate to use "calls for observation" in casual writing?
While grammatically correct, "calls for observation" is generally more suitable for formal or academic contexts. More casual alternatives might include "needs watching" or "should be checked out".
What distinguishes "calls for observation" from "requires investigation"?
"Calls for observation" suggests a need for careful watching and recording, while "requires investigation" implies a more active process of inquiry and research to uncover facts.
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
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested