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Base de Conhecimento da FocusVision

Multi-Select Question Attributes

1:  Overview

The <checkbox> element represents the only multiple-selection question type available.

<checkbox label="Q1" atleast="1">
    In the past 7 days, when did you eat the following meals?
  <comment>Please select all that apply</comment>
  <col label="c1">Monday</col>
  <col label="c2">Tuesday</col>
  <col label="c3">Wednesday</col>
  <col label="c4">Thursday</col>
  <col label="c5">Friday</col>
  <col label="c6">Saturday</col>
  <col label="c7">Sunday</col>
  <col label="c99" exclusive="1"><b>None</b></col>
  <row label="r1">Breakfast</row>
  <row label="r2">Lunch</row>
  <row label="r3">Dinner</row>

A respondent may choose any number of the non-exclusive <row>/<col> elements.

By default, multi-select questions are optional. There are three attributes available to force a certain number of responses: atleast, atmost & exactly.

2:  Attributes

In addition to the Question Attributes, the following attributes are unique to the <checkbox> element:

2.1:  atleast - Set the Minimum Number of Responses

The atleast attribute is an integer value that controls the minimum number of selections that must be selected in order to continue.

<checkbox label="Q1" atleast="1">

atleast="1" means the respondent is forced to select at least 1 answer for each row or column (depending on the Cell Grouping).

2.2:  atmost - Set the Maximum Number of Responses

The atmost attribute is an integer value that controls the maximum number of selections that must be selected in order to continue.

<checkbox label="Q1" atmost="5">

atmost="5" means the respondent can select up to 5 answers for each row or column (depending on the Cell Grouping).

2.3:  exactly - Set the Exact Number of Responses

The exactly attribute is an integer value that controls the total number of selections that must be selected in order to continue.

<checkbox label="Q1" exactly="3">

exactly="3" means the respondent must select 3 answers for each row or column (depending on the Cell Grouping).

2.4:  pipeMultiple - Choose Which Answer to Pipe

The pipeMultiple attribute applies to single-dimension <checkbox> questions containing only <row> elements.

By default, piping a <checkbox> question (e.g. [pipe: Q1]) will result in showing all of the elements that were selected (e.g. "Item 1, Item 2 and Item 3"). Specify pipeMultiple="ROWLABEL" to control which <row> element to pipe. For example:

<checkbox label="Q1" atleast="1" pipeMultiple="r3">
    <title>Please select all that apply.</title>
    <row label="r1">Item 1</row>
    <row label="r2">Item 2</row>
    <row label="r3">Item 3</row>

<html label="Q1_Selections" where="survey">
    You selected [pipe: Q1]!

With pipeMultiple="r3" specified, "Item 3" will be piped into the comment if multiple selections are made.

If a single selection is made, then that selection will be piped into the comment and not r3's text.

If pipeMultiple is applied to a two-dimensional <checkbox> element, the pipe will read "Multiple columns". In other words, use it only for single-dimension <checkbox> elements.

2.5:  groupRestrict - Restrict Responses Into Groups

The groupRestrict attribute can be set to "none" or "cols". By default, groupRestrict="none" is specified.

If groupRestrict="cols" is specified, then each column element must belong to a <group> element and the question's checkbox inputs are transformed into radio inputs, allowing only one selection per group. For example:


<checkbox label="Q1" exactly="2" groupRestrict="cols">
    Which days do you enjoy the following meals the most? Please select a weekday and weekend day.
  <comment>Please select all that apply</comment>
  <group label="g1">Weekdays</group>
  <group label="g2">Weekend</group>
  <col label="c1" groups="g1">Monday</col>
  <col label="c2" groups="g1">Tuesday</col>
  <col label="c3" groups="g1">Wednesday</col>
  <col label="c4" groups="g1">Thursday</col>
  <col label="c5" groups="g1">Friday</col>
  <col label="c6" groups="g2">Saturday</col>
  <col label="c7" groups="g2">Sunday</col>
  <row label="r1">Breakfast</row>
  <row label="r2">Lunch</row>
  <row label="r3">Dinner</row>

In the example above, two selections must be made per row, one for each group (i.e. a "Weekday" and a "Weekend").

Click here to see this example in a live survey.

3:  Autofill a Single Checkbox

For single dimensional <checkbox> questions (e.g. only <row> or only <col> elements), you may supply autofill="CONDITION" to automatically select the checkbox option.

For example:

<checkbox label="Q1" atleast="1">
    <title>Please select all that apply.</title>
    <row label="r1">Option 1</row>
    <row label="r2">Option 2</row>
    <row label="r3">Option 3</row>
    <row label="r4">Option 4</row>
    <row label="r5" exclusive="1" autofill="1">None of these</row>

In this example, the option for "None of these" will be checked automatically since the condition is always True.

If an error is displayed (e.g. did not select a value), the autofill element will be re-evaluated and auto-select the autofilled element again.

You may supply any normal condition logic to the autofill attribute.

The autofill attribute does not support vector logic.

For example:

<checkbox label="vQ1" atleast="1" where="execute">
    <row label="r1" autofill="S1.r1 and S1.r2">Selected S1.r1 and S1.r2</row>
    <row label="r2" autofill="AGE.check('18-25')">AGE is 18-25</row>
    <row label="r3" autofill="S2.c4 or S2.c5">Is happy with the survey.</row>
    <row label="r4" autofill="S5.val == None">Did not provide a dollar amount.</row>

Since this only works for 1-dimensional <checkbox> elements, you can achieve the same thing using an <exec> element. Here's the same example above written with an <exec> block:

if S1.r1 and S1.r2:
    vQ1.r1.val = 1

if S1.r1 and AGE.check("18-25"):
    vQ1.r2.val = 1

if S2.c4 or S2.c5:
    vQ1.r3.val = 1

if not S5.val:
    vQ1.r4.val = 1
<checkbox label="vQ1" atleast="1" where="execute">
    <row label="r1">Selected S1.r1 and S1.r2</row>
    <row label="r2">AGE is 18-25</row>
    <row label="r3">Is happy with the survey.</row>
    <row label="r4">Did not provide a dollar amount.</row>

4:  What's Next?

Using the survey builder? Learn more about the Multi-Select Question.

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