[LON-CAPA-users] SOLVED: Unexpected behavior of an optionresponseproblem

[Itay]

Thank you, Stuart.  It worked.
Looking back, I was a bit curious that each <foil> was wrapped in a separate <foilgroup>.
But I overlooked it because somehow I put foilgroup and conceptgroup in the same mental drawer.

Thanks again.

On Sun, 21 Nov 2021, at 23:53, Raeburn, Stuart via LON-CAPA-users wrote:
> Itay,
>
> I took a look at the source code for chipmunk_velocity.problem, as it's 
> published with source XML open.
>
> If you retain only the first opening foilgroup tag: <foilgroup 
> options="('True','False')"> (i.e., the one after the opening 
> optionresponse tag), and retain only the last closing foilgroup 
> tag:</foilgroup> (i.e., the one before the closing optionresponse tag), 
>  but remove the other <foilgroup> </foilgroup> tags (wrapped around 
> each <foil> </foil>, then submissions are graded as expected.
>
> Stuart Raeburn
> LON-CAPA Academic Consortium
>
> ________________________________________
> From: LON-CAPA-users <lon-capa-users-bounces at mail.lon-capa.org> on 
> behalf of Itay via LON-CAPA-users <lon-capa-users at mail.lon-capa.org>
> Sent: Sunday, November 21, 2021 2:27 PM
> To: Discussion list for LON-CAPA users
> Subject: [LON-CAPA-users] Unexpected behavior of an optionresponse 
> problem
>
> Hello Lon-Capa community
>
> I encountered an optionresponse problem in which lon-capa rejects its 
> own answers...  :-(
>
> I copied the source code of the following problem to my author space:
> /res/ohiou/physicslib/exam/05_1D_Motion/chipmunk_velocity.problem
>
> Then, still in author space, I tested several randomizations, with the 
> same outcome each time: lon-capa has rejected my submission although it 
> fully agreed with the answers provided by lon-capa (at the bottom of 
> the problem's screen).  Note, that these answers agreed with my 
> independent conclusions as well.
>
> It is probably something silly that I have missed... but what it is I 
> cannot tell.
> Or is it a bug?
>
> Thanks,
> Itay
>
>
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