[LON-CAPA-users] Hints for first LON-CAPA question

Mark Lucas lucasm at ohio.edu
Fri Jun 14 15:12:03 EDT 2013

Take a look through the documentation for concept groups.

They can be used in radiobutton response, optionresponse, ranking,
and matching questions (and maybe a few more types).

The student will effectively get one selection from each concept group.

1 would be in a concept group by itself, 2a and 2b would be together, and they
would get either 2a or 2b, and so on.

Look at the templates for an optionresponse with conceptgroups for an example.

Hope this helps! I'm sure Gerd, Ray and Peter will be along shortly with more


On Jun 14, 2013, at 3:07 PM, Joseph Mingrone wrote:

> Gerd, Raymond and Peter;
> Thank you all for your helpful suggestions.  I'm starting to
> get a better sense how everything fits together.
> I have a (hopefully simple) followup question.  For a Radio Response
> problem with randomization, is there a simple way to group the randomly
> chosen questions?  Say there are 5 possible answers
> 1, (2a, 2b), (3a, 3b), (4a, 4b), (5a, 5b).
> Is it possible to randomly select only one version of an incorrect
> answer?  So possible options shown to the student might be 2a, 1., 3b or
> 5b, 4a, 1, but not 2a, 2b, 1.
> I guessed putting the answer versions in a foil group together might
> give the functionality, but it didn't seem to work.
> Thanks,
> Joseph
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Mark Lucas 								email: lucasm at ohiou.edu
252D Clippinger Lab						phone: (740)597-2984
Department of Physics and Astronomy		fax: (740)593-0433
Ohio University
Athens, OH 45701

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