[QTI] Horizontal choices in a choiceInteraction

[Bart Nagel]

At 2009-12-07 13:01:36 +0100, Jens Schwendel wrote:
> at the moment in QTI 2.1 spec only orderInteraction and sliderInteraction
> have the according attribute 'orientation'.
> Could you please describe your use case or example where it make's sense to
> have a horizontally oriented choiceInteraction? Maybe we can set this on the
> QTI issue list for upcoming changes. 
> Personally I'd tend to unify interaction attributes as far as meaningful and
> leave decision to authors if it make's sense for their scenario.

Sure. The use case here is in what the customer of our project terms 
"extended matching items". That's a stimulus and a list of possible 
responses enumerated with letters, so

	There follow a set of questions about leg injuries. In each case 
	check the bones which may be affected.

	A	tibia
	B	patella
	C	fibula
	D	femur

And then a set of multiple response interactions, each with the same 
set of options but denoted only by letter. Since the checkboxes only 
need a single letter next to them, they'd like them shown 
horizontally. For example

	1. Whatever the question prompt is -- can't think of one off the 
	   top of my head
	[ ] A	[ ] B	[ ] C	[ ]	D

	2. Etc etc
	[ ] A	[ ] B	[ ] C	[ ]	D

Of course, the options could be fully listed each time, but this is 
how the customer wants it and as such it makes sense to save vertical 
space so the list of options are more likely to remain in view.

Thanks
--bart

-- 
bart nagel
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