[DDI-users] Questions related to QuestionGrid

[Wendy Thomas]

see below

On Wed, Nov 19, 2014 at 11:45 AM, Wackerow, Joachim <
Joachim.Wackerow at gesis.org> wrote:

>  I looked at a use case of the ESS (European Social Survey) round 6
> questionnaire. Now I have some questions and comments related to
> QuestionGrid.
>
> With some of them I’m pushing probably the limits of the current approach
> in 3.2.
>
> Any thoughts on the questions and comments would be appreciated.
>
>
>
> 1. Resulting variables
>
> One use case is that each question (i.e. row) in a grid results in a
> variable. The variable can only reference the whole QuestionGrid, but not
> the individual question. This is not really satisfying.
>
> Are there any other possibilities?
>

This is the reason for In/Out Parameters and generation instructions that
support the distribution of looped questions or grid response arrays. The
variable can reference a generation instruction and define the binding as
well as the item in the array that it uses. See examples created at
Dagstuhl training this year.

>
>
> 2. Reuse of single questions in a grid
>
> A single question in a grid (or a subset of a grid) could be reused in
> another grid or as single question (this happens sometimes in new waves of
> the same survey). But questions in a grid are realized as
> CodeScheme/CategoryScheme.
>
> A single code could be referenced to reuse the Code/Category as question
> in another context, but this seems to be awkward. Did I miss something?
>
>
>
Is the "question" a part of dimension CodeList or a response domain? each
can be reused as needed. Note that any use of a CodeList can be limited to
a level, range or object.


>  3. Reuse of QuestionGrid
>
> How can QuestionGrids be reused and a question number be assigned to each
> individual question (in a row)?
>

Once again, the same way any question is reused. The path of the data can
be defined by In Out parameters, a Generation Instruction and a Variable
defining the binding between the out parameter of the question construct
and the in parameter of the instruction.

>
>
> 4. Alternative to QuestionGrid
>
> In the use case (mentioned below), a QuestionGroup could be another
> option. Then the issues 1-3 from above can be solved. The semantics are a
> little different.
>
> A workaround could be to use a QuestionGrid which refers by BasedOnObject
> to the QuestionGroup.
>

Question Groups are administrative objects and cannot be used as the
content of a QuestionConstruct.

>
>
> 5. Dimensions in a grid
>
> I looked at the example (slide 14, 15) in the EDDI13 presentation “To 3.2
> or Not to 3.2? That is the Question” at
> http://www.eddi-conferences.eu/ocs/index.php/eddi/EDDI13/paper/view/117.
>
> The slide can show only a XML fragment. Now I’m wondering how “Older than
> Patient” and “Younger than patient” are realized, when “Number still alive”
> would be rank 1 (is rank 2 not the appropriate solution?).
>
>
>
> Related question: How can it be described when one dimension has a
> different type of response domain than the grid? A GridDimension can have
> only a CodeDomain.
>
>  5. Misleading semantics regarding questions in a grid?
>
> The individual questions in a grid are not realized as QuestionItem but as
> Code/Category. The semantics seem to be wrong. Why was the use of
> QuestionItem not possible? This would have solved the issues 1 and 2 from
> above.
>

The question is asked regarding a number of objects (defined in a
CodeList/CategoryScheme or roster.

>
>
> 6. Mix of representational and structural information?
>
> I’m not really clear about this. But my impression is that there is not a
> clear distinction between structural and representational information.
>
> There seem to be multiple levels (in the use case below):
>
> -        The atomic level of an item (in the grid), like a question or an
> answer category.
>
> -        The compound object of question and answer categories.
>
> -        The question sequence (in a grid) with the same answer
> categories.
>
> -        Some representational/rendering information (for example the
> answer categories are not repeated but only mentioned at the top). This
> could be differently arranged in different modes.
>

There are those looking at 4 that say all grids could be defined as loops.
We need to look at this further as the response of INSEE staff to this
suggestion (who use grids extensively) was a definite shudder.

>  This is probably more an issue for DDI 4 and will need some further
> analysis.
>
>
>
> Reference:
>
> ESS round 6 questionnaire
>
> Page 5, starting with “CARD 5 Using this card, please tell me on a score
> of 0-10 how much you” in the document at:
>
>
> http://www.europeansocialsurvey.org/docs/round6/fieldwork/source/ESS6_source_main_questionnaire.pdf
> .
>
>
>
> Achim
>
>
>
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>
>


-- 
Wendy L. Thomas                              Phone: +1 612.624.4389
Data Access Core Director                 Fax:   +1 612.626.8375
Minnesota Population Center             Email: wlt at umn.edu
University of Minnesota
50 Willey Hall
225 19th Avenue South
Minneapolis, MN 55455
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