[LON-CAPA-users] changing part name

Flammer lon-capa-users@mail.lon-capa.org
Wed, 16 Mar 2005 08:06:46 -0700 (MST)

So republishing should mix up how the CODEs for the anonymous match with
the students answers?  I don't really understand how that works.  Is it
just that the CODE is somehow used in the random number generation?  I
suppose if that is the case, then everything should still be ok.


On Mon, 14 Mar 2005, Guy Albertelli II wrote:

> Hi David,
> > I made the mistake of having an "=" symbol in a part name in a problem.
> I'll make the assumption that you mean 'part ID' and not 'part name'
> > This is making trouble for evaluating grades in the spreadsheet (the
> > spreadsheet doesn't recognize any of the parameters).  The problem was
> > used in an anonymously generated, scantron-graded exam (all the grades
> > have already been uploaded).
> Are there any error messages in /var/log/httpd/error_log?
> > I changed the part names in construction space, but am afraid to republish
> > because I am not sure what it will do with the uploaded scantron grades.
> > Even if it changes the randomized numbers in the problems, at this point
> > it doesn't matter (the question is closed), but does anyone know if this
> > will mix up whether or not the student received credit.
> Some details:
> 1) curently assigned credit is assigned to 'part ID's (Meaning they
> get a specfic part ID correct or incorrect
>   - thus by changing the part id and republishing, the old part ID is
>     no longer in the problem and the new part ID is not correct, which
>     appears to user as if they 'lost' credit, the data about the
>     correctness on the now missing part id is still stored just not
>     shown
>   - the randomization of &random() is not based on 'part ID's
>   - the randomization of <option/radiobutton/ranks/match/image/response>
>       _IS_ based (partly) on 'part ID's
> So if it is a <numericalresponse> in question the process of
> 1) change the part ID
> 2) republish
> 3) regrade the scantron form for all students
> Should result in every student getting a correct grade assigned.
> > Also, are there set guidelines for what can and cannot be used in a part
> > name (special symbols, spaces, etc)?
> I wasn't aware of anything not working. Off to plumb what = is screwing
> up.