Re: Multiple imputation question

Posted by Art Kendall on Apr 07, 2021; 2:06pm
URL: http://spssx-discussion.165.s1.nabble.com/Multiple-imputation-question-tp5740383p5740411.html

I have frequently used factor analysis for summative scales in the years
before MI was made available.

A very early lesson was to tighten administration to prevent missing data.  
Another early lesson was that items that had missing data often had
substantive problems such as respondents skipping questions that were too
private or that were confusing.

One potential problem with using items for MI is that it may be harder to
get cleanly loading items to maximize divergent validity.

There are reasons why scale development conventionally starts with a lot
more candidate items than would be administered than one wishes to have
retained items.



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Art Kendall
Social Research Consultants
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