Survey quotas/en - Revision history

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	To understand how the LimeSurvey quota system works, think of a survey that contains a "Yes or No" question and an Array question, each of them belonging to two different question groups. You set a quota on this survey that contains a restriction of 20 users who have answered "Yes" to this question. The quota will be checked every time someone answers "Yes" to that question.		To understand how the LimeSurvey quota system works, think of a survey that contains a "Yes or No" question and an Array question, each of them belonging to two different question groups. You set a quota rule on this survey that contains a restriction of 20 users who have answered "Yes" to this question. The quota will be checked every time someone answers "Yes" to that question.

	Depending on [[General_settings#General_settings_panel\|the format of your survey]] (how the questions are displayed to your participants), the '''check''' happens either when you submit:		Depending on [[General_settings#General_settings_panel\|the format of your survey]] (how the questions are displayed to your participants), the '''check''' happens either when you submit:

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	=Quota and tokens=		=Quota and tokens=

			==When the response is not submitted==

	When tokens are used in a survey and a participant is ''screened out'' due to a quota, then the respective token entry from the survey responses table is marked with the letter "Q" in the '''completed''' column from the survey responses table. The token is invalidated in this way and the survey participant cannot restart the survey.		When tokens are used in a survey and a participant is ''screened out'' due to a quota, then the respective token entry from the survey responses table is marked with the letter "Q" in the '''completed''' column from the survey responses table. The token is invalidated in this way and the survey participant cannot restart the survey.

			==When response is submitted==

			With [[Participant_settings#Allow_multiple_responses_or_update_responses_with_one_token\|update responses with one token allowed]] : a participant can open an already submitted response.

			After being submitted, when a response is being edited, quotas are not checked at all. Then a participant can update own response and set a value out of quota.

	=Examples=		=Examples=

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	{{Box\|However, the survey can still be accessed by the participants! ~~Deactivate it~~ once you see that the quota limit has been reached.}}		{{Box\|However, the survey can still be accessed by the participants! Set an expiry date (e.g. yesterday) once you see that the quota limit has been reached.}}

	==Adding a URL link==		==Adding a URL link==

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	*List (Dropdown)		*List (Dropdown)
	*List with comments		*List with comments
			*Equation

	=Survey quotas panel=		=Survey quotas panel=

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	{{Alert\|title=Attention\|text= You can only verify that Quotas have been set correctly when the survey is activated. So, if you set a quota with a limit of "0" and the survey is not activated, you will not be able to check whether it is working or not.}}		{{Alert\|title=Attention\|text= You can only verify that Quotas have been set correctly when the survey is activated. So, if you set a quota with a limit of "0" and the survey is not activated, you will not be able to check whether it is working or not.}}

	=How ~~Do Quotas Work~~?=		=How do quotas work?=


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	==Using ~~More Answers~~ and ~~Quotas~~==		==Using more answers and quotas==


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	==Activating the ~~Quota System While~~ the ~~Survey Responses Table~~ is ~~Not Empty~~==		==Activating the quota system while the survey responses table is not empty==


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	The quota system does not store any answers and it does not record the number of the submitted survey answers! Think of it as a filter that is applied on the survey responses table. Basically, it looks into the '''completed''' column and those question columns that contain the answers to which one or more quotas are applied to.		The quota system does not store any answers and it does not record the number of the submitted survey answers! Think of it as a filter that is applied on the survey responses table. Basically, it looks into the '''completed''' column and those question columns that contain the answers to which one or more quotas are applied to.

	=Supported ~~Question Types~~=		=Supported question types=


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	*List with comments		*List with comments

	=Survey ~~Quotas Panel~~=		=Survey quotas panel=


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	==Add ~~New Quota~~==		==Add new quota==


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	===Add an ~~Answer~~===		===Add an answer===


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	In this example, the "''Male''" answer will have the quota applied to it. Whenever participants choose this option, the quota system registers the answer. Once the quota limit is reached, the stored survey answers will be saved in the survey responses table, but it will be marked 'incomplete''.		In this example, the "''Male''" answer will have the quota applied to it. Whenever participants choose this option, the quota system registers the answer. Once the quota limit is reached, the stored survey answers will be saved in the survey responses table, but it will be marked 'incomplete''.

	==Quick CSV ~~Report~~==		==Quick CSV report==

	The quick CSV report function is used to export the survey quotas table in a comma-delimited CSV file. It includes the following fields:		The quick CSV report function is used to export the survey quotas table in a comma-delimited CSV file. It includes the following fields:
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	*'''Remaining:''' The number of answers that can still be collected in the survey responses table and marked as ''complete'' there.		*'''Remaining:''' The number of answers that can still be collected in the survey responses table and marked as ''complete'' there.

	=Quota and ~~Tokens~~=		=Quota and tokens=


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	==Adding ~~More Answers~~ to ~~Different Quotas~~==		==Adding more answers to different quotas==


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	To add a URL link to a quota, please continue reading the [[URL fields\|URL fields]] wiki section.		To add a URL link to a quota, please continue reading the [[URL fields\|URL fields]] wiki section.

	==Using of ~~Equation Question~~ for ~~Quota~~ in ~~Other Question Type~~==		==Using of equation question for quota in other question type==

	You can use [[Question_type_-_Equation\|Equation Question]] to set a value to [[Survey_quotas#Supported_question_types\|supported question types]] and [[Expression_Manager#Using_Assignment_Operator\|assignment operator]].		You can use [[Question_type_-_Equation\|Equation Question]] to set a value to [[Survey_quotas#Supported_question_types\|supported question types]] and [[Expression_Manager#Using_Assignment_Operator\|assignment operator]].
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	You can import and activate this sample survey [[File:Limesurvey_survey_quotaEquationAndOptOut.zip]] (remember to unzip the file and activate the survey).		You can import and activate this sample survey [[File:Limesurvey_survey_quotaEquationAndOptOut.zip]] (remember to unzip the file and activate the survey).

	==Limiting ~~Max Number~~ of ~~Responses~~ in ~~Survey Using~~ a ~~Hidden Question~~==		==Limiting max number of responses in survey using a hidden question==

	Like using an equation to set a value to an answer, quota for default values are checked if a question is hidden. This allows you to set a maximum number of response in a specific survey. You put a quota on the default answer in a hidden question and put this question in a simple group.		Like using an equation to set a value to an answer, quota for default values are checked if a question is hidden. This allows you to set a maximum number of response in a specific survey. You put a quota on the default answer in a hidden question and put this question in a simple group.

	You can import and activate this sample survey [[File:Quota_by_default_value_sample_survey.zip]] (remember to unzip the file and activate the survey).		You can import and activate this sample survey [[File:Quota_by_default_value_sample_survey.zip]] (remember to unzip the file and activate the survey).

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2020-11-28T13:34:03Z

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	You can import and activate this sample survey [[File:Limesurvey_survey_quotaEquationAndOptOut.zip]] (remind to unzip the file and activate the survey).		You can import and activate this sample survey [[File:Limesurvey_survey_quotaEquationAndOptOut.zip]] (remind to unzip the file and activate the survey).

			==Limiting max number of response in survey using an hidden question==

			Like using an equation to set a value to an answer, quota for default value are checked if question is hidden. This allow to set a maximum number of response in a specific survey. You put a quota on the defaut answer in an hidden question and put this question in a simple group.

			You can import and activate this sample survey [[File:Quota_by_default_value_sample_survey.zip]] (remind to unzip the file and activate the survey).

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2020-05-19T14:35:30Z

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	To set a limit on the number of "No" responses, you need to add an additional quota, restricting the number of participants who choose "No".		To set a limit on the number of "No" responses, you need to add an additional quota, restricting the number of participants who choose "No".

	<div class="simplebox">[[File:help.png]] '''Note:''' If you would like your respondents to answer certain survey questions according to a previous answer, use the LimeSurvey [[ExpressionScript\|~~expression manager~~]].</div>		<div class="simplebox">[[File:help.png]] '''Note:''' If you would like your respondents to answer certain survey questions according to a previous answer, use the LimeSurvey [[ExpressionScript - Presentation\|ExpressionScript]].</div>


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	The quota system does not store any answers and it does not record the number of the submitted survey answers! Think of it as a filter that is applied on the survey responses table. Basically, it looks into the '''completed''' column and those question columns that contain the answers to which one or more quotas are applied to.		The quota system does not store any answers and it does not record the number of the submitted survey answers! Think of it as a filter that is applied on the survey responses table. Basically, it looks into the '''completed''' column and those question columns that contain the answers to which one or more quotas are applied to.


	=Supported question types=		=Supported question types=

C schmitz: Text replacement - "Expression Manager" to "ExpressionScript"

2020-02-11T13:45:13Z

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	To set a limit on the number of "No" responses, you need to add an additional quota, restricting the number of participants who choose "No".		To set a limit on the number of "No" responses, you need to add an additional quota, restricting the number of participants who choose "No".

	<div class="simplebox">[[File:help.png]] '''Note:''' If you would like your respondents to answer certain survey questions according to a previous answer, use the LimeSurvey [[~~Expression Manager~~\|expression manager]].</div>		<div class="simplebox">[[File:help.png]] '''Note:''' If you would like your respondents to answer certain survey questions according to a previous answer, use the LimeSurvey [[ExpressionScript\|expression manager]].</div>

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2019-11-12T10:00:17Z

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	To add an URL link to a quota, please continue reading the [[URL fields\|URL fields]] wiki section.		To add an URL link to a quota, please continue reading the [[URL fields\|URL fields]] wiki section.

			==Using of Equation question for quota in other question type==

			You can use [[Question_type_-_Equation\|Equation Question]] to set a value to a [[Survey_quotas#Supported_question_types\|supported question types]] and [[Expression_Manager#Using_Assignment_Operator\|assignment operator]].

			The 2 question can be hidden, quota is checked if all question are hidden or when one question is in submitted page.

			For example , to set a quota to a text question (user write ok or not) on a Y/N question: <code>{QuotaQuestion=if(strtolower(Q00.NAOK) == 'ok', 'Y', 'N')</code>

			[[File:QuotaEquation.png]]

			You can import and activate this sample survey [[File:Limesurvey_survey_quotaEquationAndOptOut.zip]] (remind to unzip the file and activate the survey).