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IDProjectCategoryView StatusLast Update
07415Feature requestsSurvey editingpublic2013-09-17 21:39
Reporterwschatten Assigned To 
PrioritynormalSeverityfeature 
Status acknowledgedResolutionopen 
Summary07415: Need users to randomly view different questions to analyze results.
DescriptionI am trying to setup a lab at a University in Canada where we will be measuring the effects of different aspects, mainly images but sometimes question wording, on survey results.
For example the phrasing of a question or influence of a picture and the effects of these on survey results.

To do this there needs to be multiple survey 'slides' each slightly different.
Whether there is a different image at the top of the slide followed by the same question or if the question is worded slightly differently.
The survey users would be randomly assigned a question from the set to accurately measure the effects of change.

Additional InformationA possible solution: RNG (Random Number Generator)
To do this successfully and easily in Limesurvey it would need to be something like this:
A new question type that is called RNG (random number generator).
The person creating the survey would be able to define the scale of the RNG, for example they would input '3' when setting up the question. And therefore the RNG would be between 1-3.

Every time the user encounters this question on the survey it would be a behind the scenes process that randomly generated a number instead of getting user input. The user would not be aware it happened nor see the number they were assigned.

Now the admin of the survey can set future question conditions on the RNG for this user.
For example all users who were assigned:
1 - will see a kitten
2 - a puppy
3 - a wolf eating a dead animal
followed by a question.

To measure the effects of the images on the user response it has to be randomized when the user takes the survey.

Adding in a RNG question type, to silently assign the user a number, allows the admin to easily define the scale of the RNG and also add multiple instances of it throughout the survey.
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andrewz

andrewz

2013-09-17 21:39

reporter   ~26265

This sounds like what I am doing now in LimeSurvey. I define a question type of EQUATION with contents like this

{if(is_empty(condition),rand(1,2),condition)}

The is_empty() is necessary to keep the value stable (so it doesn't keep re-evaluating).

So this ticket can be closed?

Issue History

Date Modified Username Field Change
2013-09-17 21:39 andrewz Note Added: 26265
2019-11-01 17:25 c_schmitz Category Survey design => Survey editing