Roy Zornow MS Word version

IA / UX Designer
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FORMS & WIDGETS - Radio buttons

Radio buttons should be used when there is a list of two or more options where the user must select exactly one choice. However if there are more than seven choices, consider the use of a drop down list box. A single radio button should never be used.

Also, when a user needs to select single option that can be turned on or off, a checkbox can be more appropriate:

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Radio buttons should include a default selection. (The default should be the option that would most likely be selected, or it can be the first option if all options are equally possible.)

• Does the number of option buttons should range from two to seven (below).
• Labels for radio buttons should always appear to the right of the button. If possible, allow the user to click on the label to make the selection as well as the button itself.
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It is preferable to arrange radio buttons in a vertical format. If they must be arranged horizontally, be sure to provide ample space so the user can easily determine which button belongs to each label.


Radio Buttons in a vertical format

 

Radio Buttons in a horizontal format

 

DON’T DO THIS! Poorly spaced radio buttons make it difficult to determine which label belongs to each button.

• Include an option for "Any" if any value is acceptable (for example, non-smoking/smoking/any).
• If there is a possibility that users do not will not like any of the options, include a null value option such as "None."
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