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Description

ONGOING

Radio buttons are used when a list of two or more options are mutually exclusive, meaning the user must select only one option.

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For example, choosing a day of the week.
It is a good idea to use radio buttons to describe complex choices or to provide the person all the available options next to each other.

Related items:

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Behaviour

When the radio group is focused on, it is possible to change selection with the arrow keys. If it is disabled, the cursor will indicate that the selection cannot be made.

Content guidelines

List options in a logical order:
- Most likely to least likely to be selected.
- Simplest to most complex operation.
- Least to most risk.
Make one radio button option the default. Select the safest, most secure, and private options first. If safety and security aren’t factors, select the most likely or convenient option.
If you need to have an unselected state, just add a radio button with a None option. Q: do we want to allow it?
If you can't have a comprehensive list of all possible options, add an Other option.
Labels should be concise and provide context.

Try to avoid

Putting things in alphabetical order because it is language dependent and not localizable.
Overlapping choices. e.g. Select age: 0-20, 20-40 - What do you pick if your age is 20?
Forgetting to include choices. e.g. Select age: Below 20, Above 20 - What do you pick if you are exactly 20?