Use radio buttons to indicate a set of mutually exclusive but related choices. Users can select one option in a group. Users tap a radio button to select or clear it.
- Use radio buttons for two or more choices when space is not an issue. If space is limited, consider using a drop-down list instead.
- Verify that the content for radio buttons remains static. Content for radio buttons should not change depending on the context.
- Do not start an action as soon as users select a radio button. For example, do not open a new screen when users select a radio button.
- Group and order radio buttons logically. For example, group related options together or include the most common options first.
- Avoid ordering radio buttons alphabetically. Alphabetical order is language-specific.
- Use clear, concise labels. Verify that the label clearly describes what occurs when users select the radio button.
- Place labels on the right side of radio buttons.
- Use sentence case capitalization for the individual radio buttons in a group. Capitalize the first word and any other word that requires capitalization (such as a proper noun).
- Do not use end punctuation.
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