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FocusVision Knowledge Base

Single-Select Question Attributes

1:  Overview

The <radio> element is a single-select question type that allows selections to be made from a list of items.

<radio label="Q1" optional="0">
  <title>Are you...</title>
  <comment>Please select one</comment>
  <row label="r1">Male</row>
  <row label="r2">Female</row>

The code above produces the following result:

2:  Attributes

In addition to the Question Attributes available, the <radio> element has access to the following attribute:

2.1:  unique - Prevent Duplicate Responses

The unique attribute is a boolean value that prevents a respondent from selecting duplicate responses.

If unique="1" is specified, then a unique response must be submitted for all items. Consider the following examples:

<radio label="Q1" unique="1" grouping="cols">
  <title>Which of the following brands is your favorite and least favorite?</title>
  <col label="c1">Favorite</col>
  <col label="c2">Least Favorite</col>
  <row label="r1">Brand 1</row>
  <row label="r2">Brand 2</row>
  <row label="r3">Brand 3</row>
  <row label="r4">Brand 4</row>

In the example above, the same row cannot be selected for both columns.

<radio label="Q1" unique="1">
  <title>Which of the following brands reflect the characteristics below best?</title>
  <col label="c1">Brand #1</col>
  <col label="c2">Brand #2</col>
  <col label="c3">Brand #3</col>
  <row label="r1">Best value</row>
  <row label="r2">Best customer service</row>
  <row label="r3">Best quality</row>

In the example above, the same column cannot be selected twice for any row.

3:  What's Next?

Using the survey builder? Check out the Single-Select Question for more information.

Dive into the Single-Select Question XML to learn more.