I've used SPSS to analyze multiple response data for years (decades,
actually) but never used MULT RESPONSE. I was curious what I was
missing, so I watched this video:
https://www.youtube.com/watch?v=-toBCDscCwQ and I'm still a bit
confused. You get the same data by running frequencies on the four
variables independently, right?
If each response is optional, then one thing that is a bit of a PITA is
detecting non-response, but that's not a big deal. For example, if the
four possible responses to Q12 are encoded 1/0 in Q12A, Q12B, Q12C, and
Q12D, then you can do this:
count Q12MISS = Q12A A12B Q12C Q12D (1).
execute.
Everyone with Q12MISS=0 didn't respond to the question. For some
questions, this is more important than individual responses (other times
not).
I'm not arguing against including it in PSPP, I'm just curious why it's
an issue because it seems like it's really, really easy to get along
without. What am I missing?
BTW, there is another issue of multiple responses that DOESN'T work this
way. When you have a test question labeled "Mark all that apply" and if
your scoring is all or nothing then it's actually easier to handle this
as a string. If they marked A, B and E on Q12, you encode their
response as 'ABE'. Later you score it: "recode Q12 ('ABC'=1) (else=0)
into Q12.Scored." If you're going to give partial credit for individual
responses, it's usually easier to enter the individual responses as
independent variables, but you could create them using string
functions. So, again, SPSS without MULT RESPONSE seems perfectly
adequate and MULT RESPONSE doesn't actually handle all
multiple-responses situations.
-Alan
On 1/8/2015 8:22 AM, Matthias Faeth wrote:
> I would support that. Multi Response is the one procedure that lets me
> stick to SPSS. I'm not a progammer but would help with testing and
> comparing.
>
> Matthias Fäth
> Im Mediapark 12
> 50670 Köln
> t: 0221-2907973
> m: 0171-9832175
> e: m.fa...@gmx.de <mailto:m.fa...@gmx.de>
>
> 2015-01-08 14:36 GMT+01:00 news <news....@free.fr
> <mailto:news....@free.fr>>:
>
>
>
> On 08/01/2015 06:54, Ben Pfaff wrote:
>
> On Wed, Jan 07, 2015 at 12:32:26AM +0100, F. Thomas wrote:
>
> I found the MRSETS command which allows to analyse
> multiple reponse
> questions;
> But the MULT RESPONSE command has not yet been
> implemented, according to the
> manual.
> So how to analyse mult response questions ? What can you
> do with MRSETS when
> you have no Mult response frequencies or tables ?
>
>
> There is no such functionality yet. MRSETS is implemented to
> allow the
> .sav file format to be more completely supported, but multiple
> response
> sets are not otherwise useful.
>
>
> This is a pity. The multiple response format is a widely used in
> survey research and few stats programs have a proc to analyse them.
>
> Having this opportunity in PSPP would strongly increase its
> usefulness for a wider audience.
>
>
> And what does the cryptic sentence mean (manual p.113)
> Otherwise, multiple response sets are currently used only
> by third party
> software.
> Could you please be more specific ? Which third party
> software do you mean ?
>
>
> Software other than PSPP.
>
>
> This was already evident to me. But which one ? SPSS ?
>
>
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--
Alan D. Mead, Ph.D.
President, Talent Algorithms Inc.
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