Aportación realizada por Joseph Rézeau

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Hi Jed,
Your question is obviously related to that other post of yours: https://moodle.org/mod/forum/discuss.php?d=411867#p1660869
The option to "shuffle all answers except the last one" in a multiple choice question would be quite useful in your use case. It has even been implemented by Luca Bösch in MDL-35236 (link to his GitHub).
It's a pity that this useful feature has not (yet) been accepted in Moodle core.
Joseph
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Hi Dominique,
Thanks for reminding me of that "Shuffle all but last" option in multichoice discussion. I had even forgotten that I had taken part in it.triste
So I have re-read it carefully and found it quite interesting. In order to answer my colleague's query to create MULTIPLE CHOICE questions which would fit the "official" style of MCQ I've made a custom MC question type to use on their Moodle site. I was quite pleased with myself after having spent my Sunday afternoon (I'm a slow programmer) adding a "Shuffle all but last feature"... only to find out that our friend Luca Bösch had implemented it in MDL-35236 (link to his GitHub).
Oh well, re-inventing the wheel is as good an occupation as any, these days...
I wish more people would vote for MDL-35236 so that it might be included in Moodle core... one day.
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Replying to myself...
I suppose the rationale behind the "Clear my choice" "button" being added upon the student clicking one of the radio buttons (in a MCQ single answer question) is to allow for a "no choice made" option if the student changes their mind after clicking one of the answers.
Would it not be better to replace this with a "I don't know" radio button being automatically added as the last option in such questions?
The "shuffle answers" would only shuffle the "real" answers, not the "I don't know" pseudo-answer, of course. Additionally, the "I don't know"radio button could be pre-clicked.
To provide for exam quizzes where choosing an answer is compulsory, the "I don't know" pseudo-answer choice could be made an option in the Question edit form.
I think that would solve both the original rationale and the problem I described in my original post.
 
What do others think?