Indicators for a 2-D construct PreviousNext
Mplus Discussion > Structural Equation Modeling >
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 Patricia Reed posted on Monday, May 29, 2006 - 12:23 am
I am wanting to model infant attachment as two latent constructs, anxiety and avoidance, using 4 reunion behavior rating scales (rated 1-9), from the "Strange Situation" measure of infant attachment, that have been shown to load onto 2 factors. There are no other 2-D infant attachment measures that I can incorporate into the methodology. Any suggestions as to how to produce 2 correlated indicators of each dimension from the 4 rating scales?
 Linda K. Muthen posted on Monday, May 29, 2006 - 2:59 pm
This is a difficult thing to do well given that you have only two indicators for each factor because a factor model with two indicators is not identified on its own. It is only identified in a model with another factor. This makes a two-factor model with two indicators for each factor sensitive to misspecification.
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