How to achieve, that a voter can only vote once on a quiz?

3 months 5 hours ago #7 by Clemens
Thank you for your detailed analysis of this session cookie problem. Maybe, that this is also the bug, that the admin sometimes gets logged out from backend out of sudden.

It is not worth, to go deeper in it, because I assume, it will happen in relation with the old age of my websites. As I mentioned, I am going to renew these websites with Joomla 4.
 

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3 months 5 hours ago #8 by Christopher Mavros
Replied by Christopher Mavros on topic How to achieve, that a voter can only vote once on a quiz?
This is certainly caused by some old extension or something that tries to purge expired sessions, but also clears the active ones.
I would suggest checking the system plugins.

Christopher Mavros
mavrosxristoforos@gmail.com
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2 months 4 weeks ago #9 by Clemens
I want to remind you kindly about my proposal from an earlier answer in this thread:

I have a suggestion for doing a pre check, wether the user already has completetd the quiz / survey:
Lets assume, the pre text option is set the way, that the text shows up before pushing the start button for the quiz / survey. Then we have to put the user detail fields before the start button. When he presses the start button, the content of the user details will be submitted and then can be checked against the user details in the quiz result list.
If double quizzing is detected, the user will see a popup window with the message, that he may not participate more than once.

Do you think, that could be a solution, which at least helps to keep most people from "double quizzing" – and of course it is not safe to prevent it.
 

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2 months 2 weeks ago #10 by Christopher Mavros
Replied by Christopher Mavros on topic How to achieve, that a voter can only vote once on a quiz?
Would you like to send me a personal email about this?
Maybe we can find another way, like a customization in order to improve the functionality for you.

Thanks again.

Christopher Mavros
mavrosxristoforos@gmail.com
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