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Tipo de pregunta - Entrada numérica múltiple

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Contents

Descripción general

This question type is a variation on the "Numerical input" question type. It allows multiple text boxes to be created each of which can only be answered using numbers. Each text box corresponds to an subquestion, and the subquestion text becomes the label for the input.

K Multi Num.jpg

Hay varios atributos de pregunta que pueden ser usados para extender la funcionalidad de este tipo de pregunta. El siguiente ejemplo usa una opción avanzada que verifica si los números introducidos se corresponden con una cierta suma:

Descarga la pregunta de ejemplo en inglés: K - Multiple Numerical eq 10.csv

Nota: Puedes usar características de las preguntas de entrada numérica múltiple (como la barra de desplazamiento, el valor máximo) incluso si sólo tienes un artículo para puntuar. En vez de añadir múltiples subpreguntas sólo añade el artículo que necesites.

La barra de desplazamiento

By activating the 'Slider layout' setting in the Advanced settings the usual input box is converted into a slider and also can be controlled by various additional advanced settings. The general look of the slider (colors, handle graphic) is determined via CSS which in the default template is defined by the .ui-slider class.

K MN Slider.jpg

Download English sample question: K_-_Multiple_Numerical_eq_10_Slider.csv

Core settings

Mandatory

Description

This option allows the survey administrators to request their respondents to answer to certain survey questions. If the mandatory questions are not answered, the respondents will not be able to proceed further. If you have a question with multiple subquestions and you require only certain subquestions to be answered, use the minimum answer attribute located under the Logic tab.


Help.pngIf you use any of the preinstalled themes and the mandatory question attribute is enabled, a red asterisk will be shown next to the question. If you wish to hide it, please check these instructions.


Available options

  • On
  • Off (default)


Validation (using regular expressions) (preg_validation)

Description

This option lets you specify a regular expression with which you can validate all the parts of a question.

If any question or subquestion value does not meet the validation requirements, the background colour of the text entry field will be changed to red so that users can easily see which parts of the question need to be corrected. Thus, you can do on-page validation. In this way you will not need to wait for the user to click on the submit button to validate the respective question.

Valid values

  • Any valid regular expression

Example


QS:Defaults


Relevance equation

Description

If the value of the relevance equation is "1" or "true", the question is "relevant" in the survey context, i.e. it is shown to the survey participant. If not, the question is hidden. Any survey question allows you to specify a relevance equation. This function is the successor of conditions and supports much more complex conditional logic.

Syntax Highlighting

Whenever you save the relevance equation, it is evaluated and syntax-highlighted. Any errors will be color coded so that you can quickly detect and fix them.

Notice.png
Hint: To check if all the relevance equations are used correctly within your survey, read about our show logic file feature.


Valid values

  • Any equation that makes use of the Expression Manager syntax, without surrounding curly braces.

Examples

Here are good examples of syntax highlighting.


Advanced settings

Prefix (prefix)

Description

A text value to be shown as prefix before the text input box(es). The prefix is shown just left of the input.

If the screen is small, then the prefix will be displayed above the input. If you want to leave it at left (New in 3.0.0 ) : add suffix-prefix-force class to the question.

Valid values

  • Any character or set of characters you wish to be displayed before the input

Example

Entering a value of "$" for this attribute would result in a dollar sign being displayed immediately preceding the text input box.



Suffix (suffix)

Description

A text value to be suffixed to a text entry box. The sufix is shown just right of the input.

On little screen : sufix is shown below the input. If you want to leave it at right (New in 3.0.0 ) : add suffix-prefix-force class to the question.

Valid values

  • Any character or set of characters you wish to be displayed after the input

Example

Entering a value of "%" for this attribute would result in a percentage sign being displayed immediately after the text input box.



Input box width (text_input_width)

Description

This attribute sets the width of the text input boxes (of the "wrapper" of the text input boxes). The input box is used to introduce an answer to the (sub)question. If the value of the width is sufficiently high, then the text input box will be displayed on the next line. Please note that this option does not set the size of the input or the width of the entire column!

Available options

  • Default: If selected, a default value will be allocated to this attribute in such a way to have both the label and its corresponding text input box on the same line. For example, if the text input box width is 41%, the value of the width of the text input box will be a value that allows both the label and the input box on the same line (58% in this case). If the width of text input box was higher than 58%, then the text input box would be displayed on the next line.
  • 8%; 17%...92%, 100%: the bigger the selected value, the larger the width of the text input box.

Example

  • If you wish to have the input part displayed below the subquestion/label, select the 100% option from the dropdown list.


QS:Input size


Random answer order (random_order)

Description

This attribute causes LimeSurvey to ignore the existing order of answer options/subquestions, and instead it orders them randomly. This option permits the survey creator to diminish the survey bias. Please note that if a question has subquestions, the order of subquestions will be randomized, not the order of the answer options.

Available options

  • Yes - Randomize when participant enters survey
  • No (default)


Hide tip (hide_tip)

Description

Most questions will usually include a tip that says "Please choose one of the following options" or a hint text on how to fill out the question. This attribute allows you to turn off or on this tips/hints.

These tips/hints include validation criteria messages (such as min/max number of answers, min/max/equals sum value). If hide_tip is enabled, these messages will be hidden. However, if the user enters invalid data, the tips will appear. They will be coloured in red, getting changed to green once the validation criteria are met.

Available options

  • On - the tips/hints are hidden;
  • Off (default).


Always hide this question (hidden)

Description

If enabled, the question will always be hidden - it will not be displayed to the survey participants. This function can be used in the following scenarios:

  • If you wish to prefill a question with a URL and you want not to have it displayed on the screen. This overrides any conditions used within the survey because the respective question will not even be embedded on the page.
  • If you wish to store or calculate a value on the fly via the Expression Manager.
Help.png Note: A common question type that is used with this function is the Equation one.

Available options

  • On
  • Off (default)



Equals sum value (equals_num_value)

Description

Sets the sum total of all predefined answers that will be accepted. For example: Setting a value of 20 for this attribute would mean that the only acceptable total for all items would be 20. A value of 15 or 60 would be unacceptable.

Valid values

  • Any number value
Notice.png
Hint: This feature changed with version 1.92


  • Any SGQA code
  • Any question code (variable name)
  • Any equation, using Expression Manager syntax, without surrounding curly braces.



Minimum sum value (min_num_value)

Description

This setting is available in the multiple numeric and numeric array input questions. When this attribute is set, the input value(s) (depending on the type of question) must meet this criteria - the (sum of) number(s) has to be higher than the value you type in this box. Otherwise, the respondents will not be able to submit her answer(s).

Valid values

  • Any integer value above 0
  • Any number (using . (dot) for decimal separator)
  • Any SGQA code
  • Any question code (variable name)
  • Any equation, using Expression Manager syntax, without surrounding curly braces.

Example

  • Setting a value of 10 would mean that the total value of all numbers entered in all input boxes fr this question may not be smaller than 10. Totals of 9 would not be allowed. A total of 12 would be acceptable.



Maximum sum value (max_num_value)

Description

This setting is available in the multiple numeric and numeric array input questions. When this attribute is set, the input value(s) (depending on the type of question) must meet this criteria - the (sum of) number(s) has to be smaller than the value you type in this box. Otherwise, the respondent will not be able to submit her answer.

Valid values

  • Any integer value above 0
  • Any number
  • Any SGQA code
  • Any question code (variable name)
  • Any equation, using Expression Manager syntax, without surrounding curly braces.

Example

  • Setting a value of 20 would mean that the total value of all numbers entered in all input boxes for this question may not exceed 20. Totals of 21 would not be allowed. A total of 15 would be acceptable.



Maximum characters (maximum_chars)

Description

This allows you to set the maximum number of characters that can be entered for a text based question. Entering a value of, say, 20 will mean that the participant cannot enter any more than 20 characters.

Valid values

  • Any integer value above 0


QS:Min num value sgqa


Maximum value from SGQA (max_num_value_sgqa)

Important.png
Deprecated : This features is deprecated in version 1.92.Use max_num_value instead.

Description

Allows you to set the maximum sum total of all predefined answers that will be accepted. The SGQA value entered for this attribute uses the answer to that SGQA question as the maximum value.

Example

To use this question attribute you should understand the [SGQA identifier]

Setting a particular SGQA identifier for this would mean that the total value of all numbers entered in all input boxes for this question may not exceed whatever answer was made to the SGQA question referred to. Totals above that figure would be not allowed. Totals below that figure would be acceptable.



Show in public statistics (public_statistics)

Description

This attribute allows the survey administrator to chose if a particular question results should be displayed to the survey participants after they submitted the survey.

Help.png Note: To have the statistics displayed on the last page, do not forget to enable this functionality from the presentation & navigation settings. Otherwise, no statistics link will be displayed at the end of your survey.

The default setting for each question is 'Off' (=Do not show the question statistics to the respondents). You have to enable this for every single question if you want to show the survey statistics of that (those) particular question(s) to the survey participants after the survey submission.

Available options

  • On
  • Off (default)


Insert page break in printable view (page_break)

Description

This attribute is only active when you actually print a survey from the Printable View. It forces a page break before the question.

Available options

  • On
  • Off (default)



Use slider layout (slider_layout)

Description

When set to "On", this question attribute will modify the layout of the question so that it looks like a slider.

Available options

  • On
  • Off (default)



Slider starts at the middle position (slider_middlestart)

Description

If enabled, the handle is displayed at the middle of the slider.

Help.png Note This question attributes is not related to the slider initial value attribute. "Slider initial value" trumps "slider starts at the middle position" in case both are active.

Available options

  • On
  • Off (default)



Slider accuracy (slider_accuracy)

Description

If the slider_layout is enabled, this question attribute sets the slider's step value. The Expression Manager can also be used (without curly brackets). However, please note that this value has to be calculated before the expression is displayed. For example, no custom value is used if the expression and the question and/or question answer codes used within the respective expression are displayed on the same page. If this happens, then the question attribute will use the default value which is 1.

Important.png
Attention : Please note that if the expression typed within the box contains an error, a logic error will be displayed to the user below the question.

Valid values

  • Any positive numerical value
  • Expressions, without curly brackets.



Slider maximal value (slider_max)

Description

When slider_layout is set, this question attribute sets the value of the right-end of the slider. By default, this value is set to 100. The expression manager can be used (without curly brackets) to set up a maximum value. However, please note that this value has to be calculated before the expression is displayed. For example, no custom value is displayed if the expression and the question and/or question answer codes used within the respective expression are displayed on the same page. If this happens, then the attribute will use the default value which is 100.

Important.png
Attention : Please note that if the expression typed within the box contains an error, a logic error will be displayed to admin user (with edit rights on survey) below the question, but not to public user.

Valid values



Slider left/right text separator (slider_separator)

Description

This question attribute sets the separator used to display text labels on the left and right side of the slider.

Let's suppose that you want to find out from your respondents which fruit they enjoy eating. First, set the text separator in the "slider left/right text separator" field - we will use in this example a simple vertical bar: " | ".

Then format your subquestions to read:

Subquestion text | Left slider label | Right slider label

Valid options

  • Any character

Example



Display slider min and max value (slider_showminmax)

Description

Activate this option to display the minimum and maximum value under the slider.

Available options

  • On
  • Off (default)



Slider minimal value (slider_min)

Description

When slider_layout is set, this question attribute sets the value of the left-end of the slider. By default, this value is set to 0. The expression manager can be used (without curly brackets) to set up a minimum value. However, please note that this value has to be calculated before the expression is displayed. For example, no custom value is displayed if the expression and the question and/or question answer codes used within the respective expression are displayed on the same page. If this happens, then the attribute will use the default value which is 0.

Important.png
Attention : Please note that if the expression typed within the box contains an error, a logic error will be displayed to the user below the question.

Valid values



Slider initial value (slider_default)

Description

If the slider layout is enabled, you can use this question attribute to set the initial value that will be stored in the database. For example, when the question is mandatory and the survey participant submits the answer without moving the slider, it will be assumed that he or she has answered the question with the default value.

Available options

  • On (default)
  • Off



Array filter (array_filter)

Description

The Array filter setting allows you to use any multiple choice question to select or set which responses are displayed in a subsequent list, array or multiple choice question.

The subsequent questions can be filtered on any array question type, including:
  • Multiple choice
  • Multiple choice with comments
  • Multiple short text
  • Multiple numeric
  • Array (5 point, 10 point, Yes/No/Unknown, Increase/Same/Decrease, Column)
  • Array (Dual Scale, Text, Numbers)
  • Ranking

Furthermore, each of these question types can be filtered.

The only exception is Array (Column), which can filter other questions, but not itself.

How to set a filter

To set a filter, enter the question code of a multiple options question in the array filter box of the question you are currently editing. The respective question will be used as the source of information for the current question, the selected answers from the previous question being retrieved and used as answer options for the current question. For example, if your source multiple option question code is "Q1", enter "Q1" into the 'Array Filter' box to start the filtering process of the answers. Only the answer options that are selected in question Q1 will be visible in the array_filter-ed question.

If you wish more questions to be filtered via this option, type the question codes in the box separated by semicolons (;).
Important.png
The subquestion codes used in the first question must coincide with the subquestion codes from the second one. Otherwise, the array filter function will not filter the answers to the first question. Check the below example to better understand how the whole system works.

Cascading

The selected options can be displayed in cascade. This means that you can select a question which filters another question, which filters another question, and so on.

Array filter example

Let's take a look at the following example to better understand the power of this setting:


Array filter with multipe short text.jpg


In the screenshot from above, we got two questions. The first one is a multiple short text question type, while the second one is an array dual scale question type. The answers you provide in the first question will be listed in the second one. Technically, the answers you provide to the subquestions from the first question are filtered and displayed in the second question.

This example can be downloaded from the following link: limesurvey_group_32.lsg. Import this question group into your LimeSurvey installation.



Array exclusion filter (array_filter_exclude)

Description

The Array filter exclusion setting allows you to use any multiple choice question to select or set which responses are NOT displayed in a subsequent list, array or multiple choice question.

The subsequent questions can be filtered on any array question type, including:
  • Multiple choice
  • Multiple choice with comments
  • Multiple short text
  • Multiple numeric
  • Array (5 point, 10 point, Yes/No/Unknown, Increase/Same/Decrease, By column)
  • Array (Dual Scale, Text, Numbers)
  • Ranking

Furthermore, each of these types of questions can filtered.

The only exception is Array by column which can filter other questions, but it cannot be filtered.

How to set it up

Enter the question code of a multiple options question in the array exclusion filter box of the question you are currently editing. The respective question will be used as the source of information for the current question, the non-selected answers from the previous question being retrieved and used as answer options for the current question. For example, if your source multiple option question code is "Q1", enter "Q1" into the 'Array exclusion filter' box to start the filtering process of the answers. Only the answer options that are NOT selected in question Q1 will be visible in your question.

If you wish more questions to be filtered via this option, type the question codes in the box separated by semicolons (;).
Important.png
The subquestion codes used in the first question must coincide with the subquestion codes from the second one. Otherwise, the array exclusion filter function will not filter the answers to the first question. Check the below example to better understand how the whole system works.

Cascading

The selected options can be displayed in cascade. This means that you can select a question which filters another question, which filters another question, and so on.

Example

Let's see together the below example:


Example array filter exclude.png


In the screenshot from above, we got two questions. The first one is a multiple choice question type, while the second one is a multiple choice with comments question type. The answers you provide in the first question will be excluded from the second one. For example, if you select the ComfortUpdate option (that has the subquestion code 'SQ1') and the Plugin option ('SQ4'), the 'SQ1' and the 'SQ4' subquestion correspondents from the second question will be excluded. In our screenshot, we can observe that only the unselected options in the first question and displayed in the second one.

This example can be downloaded from the following link: Limesurvey_group_array_filter_exclude.zip. Import this question group into your LimeSurvey installation.


Minimum answers (min_answers)

Description

This function can be used to ensure that a user selects at least a certain number of answers in a multiple choice question.

Valid values

  • Any integer value above 0
  • Any number
  • Any SGQA code
  • Any question code (variable name)
  • Any equation, using Expression Manager syntax, without surrounding curly braces.

Example

If set to X (a random number), the users can submit the survey form if they select at least X checkboxes. If this option is utilised for ranking questions, this ensures that at least three items are ranked before allowing the respondent to submit the answers/survey.

Help.png Please note that if you use this attribute with Ranking questions, you have to set the question to non-mandatory. Otherwise, all the items need to be ranked which is counter-intuitive if you decide to use the min_answers function too.



Maximum answers (max_answers)

Description

It can be used to limit the total number of answers a user can select in a multiple choice question.

Valid values

  • Any number value
  • Any SGQA code
  • Any question code (variable name)
  • Any equation, using Expression Manager syntax, without surrounding curly braces.

Example

If set to 2, the user will only be able to check at most two checkboxes or one checkbox + fill the "Other" field (if any). For the Ranking question type, the participant would be able to select maximum two items.



Minimum value of the numeric input (min_num_value_n)

Description

Minimum value of the numeric input that can be introduced in the input box by the respondent.

Valid values

  • Any integer value above 0
  • Any number
  • Any SGQA code
  • Any question code (variable name)
  • Any equation, using Expression Manager syntax, without surrounding curly braces.



Maximum value of the numerical input (max_num_value_n)

Description

Maximum value of the numeric input that can be introduced in the input box by the respondent.

Valid values

  • Any integer value above 0
  • Any number
  • Any SGQA code
  • Any question code (variable name)
  • Any equation, using Expression Manager syntax, without surrounding curly braces.



Question validation equation (em_validation_q)

Description

This is an equation that is used to validate the entire question (e.g, all of its parts collectively for a multi-answer question). If the question fails the validation criteria, then em_validation_q_tip message will be displayed (it uses the CSS style .error). This tip uses the .em_q_fn_validation CSS style, which is hidden by default within template.css.

The main difference between this feature and the subquestion validation equations (em_validation_sq option) is that for this feature, if the question (or question parts) fail validation, then an error message could be shown. For the subquestion validation, each text entry cell (e.g., in an array question type, but it can also be applied to single entry question types) will be styled so that the background color is (light) red.

Valid values

  • Any equation that makes use of the Expression Manager syntax, without surrounding curly braces.

Example

  • You want to collect demographic information from users via a multiple short text question, and you want to validate that the user has entered a valid email address and phone number.

This example shows how the question looks with invalid answers:

Validation-invalid-both.jpg

And here is what it looks like with one invalid answer:

Validation-invalid-phone.jpg

Here is how you edit a question to enter that information:

Validation-gui.jpg

And here is part of the Show Logic File output that lets you check the accuracy of your expression and ensure that there are no syntax errors:

Validation-logic.jpg

As you can see, the validation equation tests that both the email and phone number are either empty or match a regular expression filter.

The validation tip only shows the warning message if the phone or email appears invalid.

Notice.png
Hint: In order to create complex validation messages, read about the usage of the Expression Manager.


If you wish to import the example from above into your LimeSurvey installation, download the following .lsq file: Em_validation_q_example.zip.

Notice.png
Hint: Remember, LimeSuvey uses the Perl syntax for regular expressions, so they should start and end with / (slash character)!



Tip for whole question validation equation (em_validation_q_tip)

Description

If you are using the question validation equation, you can use this box in order to display an optional message as question tip on how the question has to be filled out.

Valid values

Example

See the example from the question validation equation wiki section- it shows how the tip can be tailored to show which parts of a multiple short text question fail the validation criteria.



Sub-question validation equation (em_validation_sq)

Description

This is an equation that is used to validate each subquestion (text field) individually. Any text field that does not pass these validation conditions will have its background color turned pink (using the .em_sq_fn_validation CSS style) to highlight the error. Note that this is available in addition to the regular expression-based validation option.

Valid values

Any equation that makes use of the Expression Manager syntax, without surrounding curly braces.

Examples

For example, if you want to allow only numbers that are a multiple of 3 as answers, the equation would be:

(this / 3) == floor(this/3)

The reserved variable this is automatically replaced by a reference to the active text entry cell.



Tip for sub-question validation equation (em_validation_sq_tip)

Description

If you are using em_validation_sq, this is an optional message/tip that will be displayed if the introduced answer is incorrect.

Valid values

  • Any string

Example

  • Continuing the example of validating emails, the tip might be "Please enter valid email addresses."



Value range allows missing (value_range_allows_missing)

Description

This attribute applies to the multiple numerical question type. If enabled, a survey respondent can skip answering the multiple numerical question even if equals_num_value or min_num_value are set.

Available options

  • On (default)
  • Off