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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
by observing how that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "by observing how that" is not correct in standard written English.
It is awkward and incomplete, lacking clarity and proper structure. Example: "By observing how that behavior affects the group dynamics, we can draw meaningful conclusions."
⚠ May contain grammatical issues
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
60 human-written examples
The Structure Sensor works by projecting a dappled pattern of infrared light out onto the world so that its infrared camera can observe how that pattern is distorted by the objects it falls on.
News & Media
We could also observe how that assessment became difficult by increasing noise in the data.
Science
What's more, Facebook could actually observe how that value changes over time.
News & Media
Previous research has shown that adults and older children can infer someone's motivations by observing how much effort that person exerts toward obtaining a goal.
It is possible to determine which antigens are displayed by a new strain of the virus by observing how blood samples that respond to known strains respond to the new strain.
Science
Conformity can be an adaptive response to uncertainty regarding the appropriate behaviour in a specific context: by observing how others behave in that setting, individuals might be better able to infer what behaviour is successful [ 4] and what is likely to be approved or disapproved by others [ 2].
Science
Researchers can uncover the criteria students use for classification and the groups of organiams that students create by observing how naïve biology and folkbiology help students make predictions about relationships among organisms.
It's said that one can test one's potential partner by observing how they treat service staff – but their politics can be an even deeper test.
News & Media
By observing how the states of the algorithm transition, we present an argument to show that the proposed algorithm is bounded-input bounded-output (BIBO) stable.
Callers on systems that tell you this - and they do exist - can easily calculate how long they will have to wait by observing how fast the queue "moves", giving them the option to hang up and try again later.
News & Media
The new chip is made by observing how human cells are worked with in medicine.
News & Media
Expert writing Tips
Best practice
Avoid using "by observing how that" in formal writing. Opt for simpler and more direct phrasing like "by observing how" or "by examining how" for improved clarity.
Common error
Don't add unnecessary words like "that" after "how" in phrases involving observation. This often creates awkward and grammatically questionable constructions. Instead, focus on clarity and conciseness.
Source & Trust
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by observing how that" attempts to function as an introductory phrase indicating a method of understanding through observation. However, Ludwig AI indicates it is not correct. The inclusion of "that" creates an awkward grammatical structure.
Frequent in
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News & Media
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Formal & Business
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Less common in
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Ludwig's WRAP-UP
In summary, the phrase "by observing how that" is grammatically awkward and not recommended for use in standard English writing. As Ludwig AI indicates, the inclusion of "that" is unnecessary and creates a clumsy sentence structure. It's better to use alternatives like "by observing how", "by examining how", or "by noticing how" to clearly and effectively convey the intended meaning. Given its lack of occurrence in authoritative sources, it's best to avoid this phrase in both formal and informal contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
by observing how
Omits "that", resulting in a more direct and grammatically sound phrase.
by noticing how
Replaces "observing" with "noticing", offering a subtle shift in emphasis while maintaining grammatical correctness.
by examining how
Substitutes "observing" with "examining", suggesting a more thorough and analytical approach.
by watching how
Uses "watching" instead of "observing", conveying a more casual and passive form of observation.
by seeing how
Employs "seeing" in place of "observing", indicating a more direct and immediate perception.
observing the way that
Rephrases to clarify the structure and improve readability, though still somewhat wordy.
by taking note of how
Replaces "observing" with "taking note of", emphasizing the act of paying attention and recording details.
through observation of how
Transforms the phrase to emphasize the process of observation itself, rather than the act of observing.
assessing how
Utilizes "assessing" to imply a more evaluative and judgmental form of observation.
by analyzing how
Replaces "observing" with "analyzing", suggesting a deeper and more structured understanding.
FAQs
What's wrong with the phrase "by observing how that"?
The inclusion of "that" after "how" in the phrase "by observing how that" makes the sentence structure awkward and grammatically unsound. Removing "that" improves clarity and correctness.
Is there a better way to say "by observing how that"?
Yes, you can use alternatives like "by observing how", "by examining how", or "by noticing how" depending on the intended meaning.
How can I use "by observing how" correctly in a sentence?
Use "by observing how" to indicate that something is learned or understood through the act of watching or noticing. For example: "We can understand the process "by observing how" the system responds to different inputs".
What is the difference between "by observing how that" and "by observing how"?
The phrase "by observing how that" is grammatically incorrect and should be avoided. The correct and more concise phrase is "by observing how", which clearly indicates a method of learning or understanding through observation.
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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
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested