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
mark all that apply
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "mark all that apply" is correct and usable in written English.
It is typically used in surveys or forms to instruct respondents to select multiple options that are relevant to their situation. Example: "Please review the following statements and mark all that apply to your experience."
✓ Grammatically correct
Science
News & Media
Alternative expressions(1)
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
4 human-written examples
("During this deployment, did you ever feel that you were in great danger of being killed?" "Did you see anyone wounded, killed, or dead during this deployment? Mark all that apply").
News & Media
"Do you plan to go for any other type of colon cancer screening test if your doctor ordered the test (for example, a colonoscopy)?" Urdu language Missing response category Socio-demographic Item: "In your household, tell us the individuals who make up your family: Mark all that apply".
Mark all that apply.
Science
This is followed by 'Do you know the kind of arthritis you have?' (Response options: "yes", "no"); and, "What kind of arthritis do you have?" (with a list of 14 possible responses and instructions to mark all that apply).
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
(Check all that apply).
News & Media
(Select all that apply).
News & Media
By Diana Vilibert and Amy Hwang July 19, 2017 (Check all that apply).
News & Media
(Choose all that apply)online survey.
News & Media
(Choose all that apply).
Science
Please tick all that apply.
Science
If yes, please tick all that apply".
Expert writing Tips
Best practice
When using "mark all that apply" in a survey or form, ensure the instructions are clear and the options are easily understandable to avoid respondent confusion.
Common error
Avoid mixing instructions; if you start with "mark all that apply", don't switch to "choose one" within the same section, as this can confuse respondents.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "mark all that apply" functions as an instructional directive, commonly found in surveys, questionnaires, and forms. It guides the respondent to select multiple options from a provided list if they are applicable to their situation. As Ludwig AI confirms, this phrase is correct and usable in written English.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "mark all that apply" serves as a straightforward instruction, predominantly used in surveys and forms to prompt respondents to select multiple relevant options. As Ludwig AI states, the phrase is grammatically correct and suitable for written English. While commonly found in science and news contexts, its register remains neutral, ensuring broad applicability. Alternatives like "select all that apply" or "choose all that are relevant" offer subtle variations in wording. When employing this phrase, ensure clarity and consistency in instructions to prevent respondent confusion.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Select all applicable options
Replaces "mark" with "select" and uses "applicable" instead of "that apply".
Tick all that apply
Uses "tick" instead of "mark", common in British English.
Check all relevant boxes
Uses "check" instead of "mark" and "boxes" implies a form-like context.
Choose all that are appropriate
Substitutes "mark" with "choose" and rephrases "that apply" as "that are appropriate".
Indicate all that are true
Employs "indicate" in place of "mark" and focuses on truthfulness of options.
Identify all relevant choices
Uses "identify" to mean selecting relevant options.
Select multiple options as needed
Focuses on the possibility of selecting more than one option.
Complete all that are applicable
Changes the verb and focuses on completing relevant sections.
Specify all that are pertinent
Replaces "mark" with "specify" and uses "pertinent" in place of "that apply".
Fill in all that correspond
Uses "fill in" instead of "mark" and uses "correspond" to indicate relevance.
FAQs
How can I use "mark all that apply" in a survey?
Use "mark all that apply" to instruct respondents to select every option that is relevant to them. For example, "Which of the following symptoms have you experienced? "Mark all that apply"."
What are some alternatives to saying "mark all that apply"?
You can use alternatives such as "select all that apply", "choose all that are relevant", or "check all applicable boxes". Each offers a slightly different nuance while conveying the same basic instruction.
Is it better to use "mark all that apply" or "select all that apply"?
Both "mark all that apply" and "select all that apply" are correct and widely understood. The choice between them often depends on the context and your personal preference.
What's the difference between "mark all that apply" and "choose the best answer"?
"Mark all that apply" instructs respondents to select multiple options, while "choose the best answer" asks for a single, most appropriate choice. Using the wrong instruction can lead to inaccurate data.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested