[LON-CAPA-users] units in submission bug?
Tue, 6 Jan 2009 17:35:07 -0500
On Jan 6, 2009, at 4:00 PM, William Paddock wrote:
> One of my students just discovered that if you type a letter before
> the number in a numerical response, any required units will be
> For example...
> Correct answer is 34.5 g
> 34.5 returns "units required"
> 34.5 kg returns "incorrect"
> and so on... as expected... however...
> s34.5 returns correct.
> And I've tried it in my own versions of the problems several times.
> I've tried this on several questions, with several different
> letters, and different required units, and seems to work. The
> numerical part of the answer must be the same as the value CAPA has
> as the correct answer, but a student wouldn't need to know the
> correct units. Is this a bug? Has anyone else observed this?
Certainly looks like a bug to me. I just tried it out, and indeed, any
initial letter in the answer seems to substitute for the unit that the
instructor entered :-(
- at least, the students need to guess the unit that the instructor
gave and calculate the correct numerical result in that unit.