Ordinal data & EFA PreviousNext
Mplus Discussion > Exploratory Factor Analysis >
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 Chun-Ju Chen posted on Friday, April 18, 2008 - 4:49 am
Dear Dr. Muthen,
I'm confused about the basic assumption of EFA in dealing with the ordinal data. Is that based on the normal assumption?
Thank you very much.
 Linda K. Muthen posted on Friday, April 18, 2008 - 2:15 pm
It is assumed that the factor is normal with a probit or logit link.
 Chun-Ju Chen posted on Tuesday, April 22, 2008 - 5:31 am
Thanks for your answer.
Is that reasonable to assume latent normality if our data are skewed ordinal?
 Linda K. Muthen posted on Tuesday, April 22, 2008 - 2:23 pm
Yes. See slide 133 of the Topic 2 course handout which in on the website at:

http://www.statmodel.com/trainhandouts.shtml
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