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
decide how well
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "decide how well" is correct and usable in written English.
It can be used when evaluating or assessing the quality or effectiveness of something. Example: "After reviewing the project outcomes, we need to decide how well our strategies performed."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(3)
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
14 human-written examples
-- to decide how well he can still play.
News & Media
PRO will have to decide how well Ricardo Salazar did his.
News & Media
The transit agency says it understands that there will be disagreements about how to decide how well the system operates.
News & Media
When you're done, you might even go so far as to decide how well these various adult writers do on the "college and career-ready" scale by judging their arguments against the Common Core Writing Standards for making logical arguments.
News & Media
("Our aim was to create a show that presented some issues in the food system — the heavy reliance on fossil-fuels in large-scale farming, GMOs, the overuse of antibiotics — but to do that in a way that was entertaining," Chris Arnold, Chipotle's communications director, wrote in an e-mail. "Viewers will ultimately have to decide how well we struck that balance").
News & Media
But only he can decide how well he does in that first couple of games.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
46 human-written examples
"I thought the organization had already decided how well I play center," he said sarcastically.
News & Media
"It shouldn't be the lottery of birth that decides how well people do in this country.
News & Media
"We have some aspects in our game that we need to improve and how active we will be in the market in the summer will be decided how well we do now until the end of the season".
News & Media
The pay of American public-school teachers is not based on any measure of performance (the NEA opposes merit pay); instead, it is determined by a rigid formula based on experience and years of schooling, factors that Mr Podgursky calls "massively unimportant" in deciding how well students do.The uniform pay scale invites what economists call adverse selection.
News & Media
This is incredibly important - it is what decides how well the car performs.
News & Media
Expert writing Tips
Best practice
Use "decide how well" when you need to assess the quality, effectiveness, or success of something after a period of observation or implementation. It is often followed by specific criteria or standards for evaluation.
Common error
Avoid using "decide how well" when the evaluation is purely subjective and lacks objective criteria. Instead, consider using phrases that reflect personal opinions or feelings.
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "decide how well" functions as a verb phrase that introduces an evaluation or assessment. Ludwig confirms its usability in various contexts. It sets the stage for judging the quality, effectiveness, or performance of something based on specific criteria or observations, as shown by the examples provided.
Frequent in
News & Media
54%
Wiki
27%
Science
19%
Less common in
Formal & Business
0%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "decide how well" is a grammatically sound and frequently used expression, primarily functioning to introduce an evaluation or assessment of something based on established criteria. According to Ludwig, it is valid in written English. While versatile, it's most commonly found in news, media, and scientific contexts, reflecting its neutral tone. To avoid overuse, particularly in subjective settings, consider using alternatives like "evaluate the effectiveness" or "assess the quality". Its overall applicability is further supported by a good source quality and expert rating.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
assess how effectively
Focuses on the effectiveness of an action or process, emphasizing the degree to which it achieves the desired outcome.
determine how successfully
Highlights the level of success achieved, often implying a measurement against specific goals.
evaluate the quality of
Emphasizes judging the merit or excellence of something, often involving subjective criteria.
gauge the performance of
Focuses on measuring how an entity or system is functioning, often using quantifiable metrics.
measure the impact of
Concentrates on quantifying the effect or influence of something, often after an event or intervention.
ascertain the proficiency in
Emphasizes determining the level of skill or competence in a particular area.
judge the merit of
Highlights making a value judgment about the worth or quality of something, often based on established standards.
figure out how proficiently
Focuses on understanding the level of skill or expertise with which something is done.
estimate the effectiveness of
Highlights approximating the degree to which something is successful in producing a desired result.
quantify the success of
Emphasizes expressing the degree of achievement in numerical terms.
FAQs
How can I rephrase "decide how well" to sound more formal?
For a more formal tone, you can use phrases such as "evaluate the effectiveness", "assess the quality", or "determine the success" depending on the context.
When is it appropriate to use "decide how well" in a sentence?
It is appropriate to use "decide how well" when you are in the process of judging or assessing the quality, performance, or effectiveness of something against a specific set of criteria.
What's a less formal way to say "decide how well"?
In less formal situations, you might use phrases like "figure out how good", "see how well", or "check how well".
Is "decide how well" always interchangeable with "evaluate how well"?
While similar, "decide how well" implies a more definitive judgment or conclusion after an evaluation, whereas "evaluate how well" focuses more on the process of assessment.
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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
4.1/5
Expert rating
Real-world application tested