This is a step-by-step manual to configure a Limesurvey poll to show X questions from a (random) selection of Y question groups.
The proof of concept can be accessed here: https://survey.toolsforresearch.com/index.php/345678. The compliation was borrowed from Tony Partner:
https://www.limesurvey.org/forum/can-i-do-this-with-limesurvey/107889-randomly-select-question-groups#145950
The full manual can be found here: https://toolsforresearch.com/limesurvey-randomly-show-x-out-of-y-question-groups and an excerpt of it is copied below.
1) The slider to choose the number of groups (variable x)
Create a ‘Multiple numerical input’ question with Qcode ‘gcount’. The maximum should match the number of random groups within randomization group (‘y’).
Add a subquestion ‘1’. The variable ‘x’ will be stored in ‘gcount_1’.
2) Random groups
Create the random groups: ‘randGroups1’ in randomization group.
3) Equation in each random group
Every random group should start with a hidden question of the equation type.
The value of the equation is the sum of the RelevanceStatuses for all the other groups in the same Randomization group.
4) Questions within a random question group
The trick is that every (visible) question within each random group must have a relevance equation that checks if the equation of the current random group is less than gcount_1 (the ‘x’ variable). The relevance equation is entered in the general options of each question.
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Deleting Ink Markup in Powerpoint
As a teacher, MikeMcKinley1 regularly marks up his PowerPoint presentations and saves the markup to send to his students at the end of the class. Then before the beginning of the next class with a different group of students, he erases/deletes all of his ink markings in a powerpoint file using the “Delete All Comments and Ink in This Presentation” function.
Unfortunately, the “Delete All Comments and Ink in This Presentation” option is gone in Powerpoint 2016 Version 1805. It seems to be replaced by the “Hide Ink” function. But when the “Hide Ink” function is used, the old ink reappears when trying to write on the slide. Going through each slide and laboriously select the ink and delete it is obnoxious.
Therefore, the following Macro has to do the job:
Copied from: answers.microsoft.com…
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