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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
as observed in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "as observed in" is correct and usable in written English.
You can use it when you are referring to a previously mentioned situation or concept. For example: Human behavior is often unpredictable - as observed in the story of the angry mob.
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
during the previous years
it is important to remember
not yet completed
to avoid disruption
in accordance with direction from
a couple of books before
if not soon
in two days
as excellent as
in a flash
as instructed by the directive
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
59 human-written examples
Earth's moon as observed in visible light (left), topography (center, where red is high and blue is low), and the GRAIL gravity gradients (right).
News & Media
But, as observed in the documentary, Torkia herself is getting close to celebrity status.
News & Media
The globes above compare sea surface chlorophyll in the Pacific Ocean as observed in October 2014 (right) and 2015 (left).
News & Media
The subject has tried variations as observed in other countries, but has always returned to the old ways of her grandmother and those who came before.
News & Media
In theory, such a two-dimensional structure was believed to be unstable and therefore better rolled up, as observed in the 1990s with carbon nanotubes.
News & Media
That is about twice as much as observed in the other patients.
News & Media
As observed in Sects.
Lowering polymerization temperature gave higher isotacticity as observed in Cp2TiCl2.
Science
Young's modulus, as observed in the outcrop closest to the reservoir is about twice as high (~ 64 GPa) as observed in the reservoir (~ 34 GPa).
Science
In addition, PGE2, NF-κB and leptin influenced the expression of aromatase, as observed in women.
Under certain circumstances we find power-law distributions, as observed in nature.
Expert writing Tips
Best practice
Vary your phrasing to avoid repetition. While "as observed in" is useful, consider alternatives like "as demonstrated by" or "according to" to maintain reader engagement.
Common error
Avoid using "as observed in" without providing a specific, easily identifiable source. Vague references can weaken your argument and confuse your reader.
Source & Trust
81%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as observed in" serves as an introductory phrase that connects an observation to its source or context. It is used to indicate that the information or statement being made is derived from something previously witnessed or noted, as supported by Ludwig.
Frequent in
Science
49%
News & Media
44%
Formal & Business
7%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "as observed in" is a versatile connector used to link observations with their sources, according to Ludwig. With a neutral to formal register, it is commonly found in scientific and news contexts. As Ludwig AI confirms, this phrase is grammatically correct and serves to provide evidence for claims. To use it effectively, ensure the source is clear and consider varying your phrasing to avoid repetition. Be mindful of avoiding vague references to maintain the strength of your arguments. By understanding its purpose and register, you can use "as observed in" to strengthen your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
as demonstrated by
Emphasizes evidence or proof, making it stronger than a simple observation.
as evidenced in
Highlights factual support from a particular instance.
according to
Attributes information directly to a source, creating a less observational tone.
based on
Suggests a conclusion is drawn from a particular foundation of information.
illustrated by
Highlights that the observation is visually or concretely represented.
shown in
Directly references a visual or demonstrative display of information.
in accordance with
Implies agreement or alignment with a set standard or principle.
consistent with
Indicates harmony between the observation and established facts or theories.
exemplified by
Presents the observation as a clear and representative example.
mirrored in
Suggests a reflection or correspondence in another context.
FAQs
How can I use "as observed in" in a sentence?
Use "as observed in" to indicate that a statement or finding is based on something previously seen or noted. For example, "The patient's condition improved, as observed in the latest test results."
What are some alternatives to "as observed in"?
You can use alternatives like "as demonstrated by", "according to", or "based on" depending on the context.
Is it better to say "as observed in" or "as shown in"?
The choice between "as observed in" and "as shown in" depends on whether you're referring to something directly seen or something presented visually. Use "as observed in" for general observations and "as shown in" when referencing a specific figure, graph, or image.
What is the difference between "as observed in" and "as noted in"?
"As observed in" implies a visual or direct sighting, while "as noted in" suggests information derived from written material or records. Choose the phrase that best reflects the source of the information.
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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
81%
Authority and reliability
4.3/5
Expert rating
Real-world application tested