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Mplus Discussion > Confirmatory Factor Analysis >
 Noa Cohen posted on Monday, May 11, 2015 - 9:55 am
I am used to using AMOS where you can look at errors in the diagram and correlate them, and they also appear in the modification indices. I don't understand how to do this using MPlus. Thank you.
 Linda K. Muthen posted on Monday, May 11, 2015 - 10:50 am
The WITH option is used to covary residuals. You will find these WITH statements in the modification index output.
 Noa Cohen posted on Monday, May 11, 2015 - 10:58 am
Thank you. So if I write for example-


does this mean that I ask for the errors to be correlated, not the indicators themselves?
 Linda K. Muthen posted on Monday, May 11, 2015 - 2:31 pm
If they are factors indicators, they are endogenous variables so it is the residuals that are correlated. For exogenous variables, it is the covariance between the variables.
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