On Tue, 9 May 2000, Johannes Hartig wrote:
> I have tried modifying the syntax, but I'm not getting any further.
> The within- and between-subject effects are defined seperately
> in /WSDESIGN and /DESIGN, and mixing them only gives me
> cryptic error messages. Could it be possible to customize within *
> between interactions with /LMATRIX or /KMATRIX? I am
> checking already the syntax guide, but no success so far :(
> Thanks for any advice,
> Johannes
>
How about generating your own dummy variables for the various main
effects and interactions of interest (including dummy variables for
subject), and using REGRESSION instead of GLM repeated measures? You can
use the /TEST subcommand to compare the full model to various reduced
models to produce tests for the main effects and interactions of
interest. For a between-within design, subject will be nested in the
between subjects variables, so I think you'll have to enter those
between subjects variables on one step, and the dummy variables for
subject on the next step. (If you enter the dummy variables for subject
first, you won't be able to enter the between Ss variables, because
they'll provide no further information. It would be like entering codes
for City, and then trying to enter codes for country: Once you know the
city, you already know country.)
Good luck.
Bruce
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