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RE: st: sem bartlett factor scores


From   Cameron McIntosh <cnm100@hotmail.com>
To   STATA LIST <statalist@hsphsun2.harvard.edu>
Subject   RE: st: sem bartlett factor scores
Date   Sat, 3 Dec 2011 18:30:48 -0500

Maria,
You don't need to save factor scores and then do a path analysis or multiple regression with those factor scores, if that's what you mean. Besides being rather tedious, this method also leads to underestimation of standard errors unless you use specialized procedures:
Hoshino, T., & Bentler, P.M. (2011). Bias in Factor Score Regression and a Simple Solution. UCLA Statistics Preprint # 621.http://preprints.stat.ucla.edu/621/fsregression0912R2.pdf

In the -sem- package in Stata 12, you could just directly do a multiple indicator latent variable regression, where your latent dependent variable is simultaneously regressed on all latent predictors and covariates... quite easily I'm sure.

Cam

> Date: Sat, 3 Dec 2011 16:23:19 -0600
> Subject: st: sem bartlett factor scores
> From: maferosales@gmail.com
> To: statalist@hsphsun2.harvard.edu
> 
> Dear
> 
> 
> I 'm using SEM in stata 12 and looking through the manual. I'm doing
> confirmatory factor analysis and I need to predict factor scores by
> the Bartlett method. How can I do that with SEM?
> I can not use the factor command because I'm doing CFA.
> What I want to do is a regression among factor scores (so a latent as
> a dependent and other factors as explanatory variables ( and other
> covariates too)
> 
> Also, I have tried to use confa command but I get some errors and that
> is why I wanted to try SEM
> 
>  Thanks a lot
> Maria
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