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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
decide on whether
Grammar usage guide and real-world examplesUSAGE SUMMARY
'decide on whether' is a correct and usable phrase in written English.
You can use it when you need to make a decision or choice between two options. For example: We need to decide on whether to go on holiday or invest the money in savings.
✓ Grammatically correct
News & Media
Wiki
Science
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
60 human-written examples
Decide on whether you want to do rainbow colors, holiday themed colors, or just one color for everything.
Wiki
"And whether we do that, the president will decide on whether this will take place.
News & Media
I'll leave you to decide on whether you want to read the rest.
News & Media
The Vermont legislature reserved for itself the authority to decide on whether to issue the certificate.
News & Media
You'll also want to decide on whether to participate in the street festivities before the game.
News & Media
But Friday's decision means the judge must now decide on whether or not the attack was a hate crime.
News & Media
And ultimately the rest of the world has to decide on whether to go on lending to the US.
News & Media
In Latin America, players are often partially "owned" by agents who may decide on whether transfers proceed.
Encyclopedias
The IPCC is yet to decide on whether or not to investigate two more referrals "of a similar nature".
News & Media
In Rochester, a judge had yet to decide on whether to allow cameras into a murder trial.
News & Media
Still, he thought eight minutes was enough time for participants to decide on whether to pursue a conventional date.
News & Media
Expert writing Tips
Best practice
Use "decide on whether" to introduce indirect questions, embedding the decision-making process within a larger statement or narrative.
Common error
A common mistake is to omit the preposition "on" after "decide". Always use "decide on whether" to maintain grammatical correctness and clarity. For example, it is correct to say "They need to decide on whether to proceed", not "They need to decide whether to proceed".
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "decide on whether" functions as a prepositional phrase used to introduce an indirect question that involves a choice or decision between two or more alternatives. As Ludwig AI points out, this phrase sets up a consideration of these options. The examples show its use in various contexts, from personal choices to formal resolutions.
Frequent in
News & Media
35%
Wiki
25%
Science
20%
Less common in
Formal & Business
10%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
In summary, "decide on whether" is a grammatically sound and frequently used prepositional phrase. As Ludwig AI states, it introduces indirect questions of choice across varied contexts. While alternatives like ""determine if"" exist, "decide on whether" strikes a balance between formality and accessibility, making it suitable for both professional and informal communication. Remember to include the "on" to maintain grammatical correctness. Its wide use across news, wikis, and scientific publications affirms its versatility and relevance in modern English writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
determine if
Replaces "decide on whether" with a more concise way of expressing the act of determining something.
determine whether or not
Adds "or not" for emphasis, making the alternative slightly more explicit.
choose whether
Focuses on the act of choosing between options, rather than the decision-making process.
make a decision about whether
Emphasizes the act of making a decision, adding more weight to the process.
assess whether
Focuses on evaluating a situation before making a decision.
evaluate if
Similar to assess, but more direct and concise.
consider whether
Highlights the act of thinking carefully about a choice.
figure out if
More informal way of saying "determine if".
resolve whether
Suggests a more formal and conclusive decision.
opt to
Implies making a choice from a set of possibilities, often suggesting a preference.
FAQs
How can I use "decide on whether" in a sentence?
You can use "decide on whether" to introduce an indirect question about a choice or decision. For example, "The committee needs to decide on whether to approve the proposal." In essence, it sets up the consideration of two or more alternatives.
What are some alternatives to "decide on whether"?
Alternatives include "determine if", "choose whether", or "consider whether". The best choice depends on the specific context and desired level of formality.
Is it more formal to use "decide on whether" or "determine if"?
"Determine if" is generally considered more formal than "decide on whether". While both are acceptable, "determine if" is often preferred in academic or professional writing.
What's the difference between "decide on whether" and "decide if"?
While "decide if" is sometimes used, "decide on whether" is generally considered more grammatically correct and clearer. "Decide if" can sometimes sound incomplete or less precise than "decide on whether".
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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
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested