How to pick x random questions from a bucket of y

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3 years 8 months ago #163317 by tpartner
As previously stated...

1) Give the second group a relevance of 0.

2) DO NOT use the "Randomization group" field for groups. (see attached screenshot)

3) DO use a common value in the "Randomization group name" field for all questions. (see attached screenshot)

Sample survey attached:

File Attachment:

File Name: limesurvey...1-31.lss
File Size:36 KB





Cheers,
Tony Partner

Solutions, code and workarounds presented in these forums are given without any warranty, implied or otherwise.
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3 years 8 months ago #163320 by holch
You obviously did NOT follow the innitial instructions:

hide the second group (relevance equation = 0)

You gave 0 to the questions, not the group!

then make sure all 50 questions are part of _the same_ randomization group
the questions will get random order _between_ the two groups


Attached a version of your test. I deleted the final question which was irrelevant for the problem and switched of the welcome text, which is taking valuable time when testing this specific issue.

Called the survey 10 times for test purposes, received 4x Text1, 3x Text2 and 3x Text3. Seems to work perfectly.

I answer at the LimeSurvey forum in my spare time, I'm not a LimeSurvey GmbH employee.
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3 years 8 months ago #163321 by holch
And once again, Tpartner beat me again. However, why did I not see his answer before. It didn't take me 50min to solve this!!! ;-)

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3 years 8 months ago #163324 by jelo

However, why did I not see his answer before. It didn't take me 50min to solve this!!! ;-)

You posted 2min after Tony. Nobody to blame. Since you can edit your posts, why not post a placeholder?

The meaning of the word "stable" for users
www.limesurvey.org/forum/development/117...ord-stable-for-users
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3 years 8 months ago #163325 by holch
Nope, my second post was 2 minutes after my first post.

Tony's post was "2 hours 35 minutes ago", mine "1 hour 35 minutes ago".

I guess his answer was just on the next page and I did not notice that he had already answered and started to solve the problem as well.

Why would I post a place holder? To "reserve" the first position for my answer? Hahahaha.

Not that big of a deal. Tony has a lot more practical experience with LS, so he will beat me any time, I guess. My only chance is getting there way before him and get a headstart... ;-)

I answer at the LimeSurvey forum in my spare time, I'm not a LimeSurvey GmbH employee.
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2 years 10 months ago #178307 by haroldrio
I was following this post since morning and I could not get it right.
Until after lunch. I changed the General Options - Format to "All in one"
and it worked!

I don't know what I have been missing but maybe this can help.

Thanks guys. This post is very helpful to me.
I am using v3.2.1
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1 year 6 months ago #195831 by insanelex
This seems to work. However, the total count of questions at the start of the test and at the progress bad seems to consider all questions, even the ones on the relevance 0 groups.

Is there a way to fix this? Or maybe a newer and updated method for doing this random questions thing?
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1 year 6 months ago #195833 by holch
The counter at the start considers all questions in your survey, no matter their relevance (which in many cases can change, depending on your relevance equations). My solution would be to either put my own count or leave the count out completely. Because in my opinion it doesn't help much anyway.

You can have a survey with two questions, both with enormous lists of answer options, e.g. 100 each. This will take significantly longer to answer than a survey with 20 YES/NO questions.

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