Posted by
Art Kendall on
Apr 23, 2019; 5:59pm
URL: http://spssx-discussion.165.s1.nabble.com/Linear-Mixed-Model-in-SPSS-Guidance-tp5737698p5737709.html
There are times, like in this instance, there are different approaches such
as covariance vs change scores, or ordinal vs interval assumptions on level
of measurement. In my experiencing, it is often informative to try both
approaches and compare the substantive conclusions. If the substantive
conclusions differ, a report would need to discuss the differences and the
implications for further reasoning. If the substantive conclusions are
quite similar, i have usually suggested using the approach most familiar to
the wider audience and mentioning that the alternative approach led to
similar thinking.
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Art Kendall
Social Research Consultants
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Art Kendall
Social Research Consultants