How do I add a Text field for “Other” in a multiple choice question?

Adding an optional text field in a multiple choice question where “other” requires more information.

Although fields in REDCap can only be one single type (yes/no, free text, multiple choice, etc.) we can still create a “if other, please explain” scenario using branching logic.

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Setup:

Create a Multiple Choice field with “Other” as a response.

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Create a Text field

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Add branching logic to the Text field to only show if “other” is selected on the Multiple Choice Field. Otherwise, the field remains hidden.

Ex: [icecream_flavor] = '4'

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Field embedding can also be used to move the text field to right beside the 'Other' choice in the MC field.

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