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Hello, I'm investigating the measurement invariance of perceived relationship dimensions across parentchild and teacherchild relationship; do children perceive dimensions such as control equally in parentchild and teacherchild relationships. My question is whether I may considered the relationship dimensions in their relationships with parents and teachers as two groups and thus conduct multigroup confirmatory factor analyses, since the same children rate the different relationships (1 sample of children, 2 'groups', dependent samples). If not, how would you go about it? Thank you very much, Steven De Laet 


You would run a singlegroup analysis where you compare the parentchild versus the teacherchild factor loadings and intercepts. See the Topic 6 course handout under multiple indicator growth where we show how to do this for multiple time points. The issues are the same. 


Hi, I have a question regarding this. I tried this with two different factors, resulting in 4 different factors since I have two dependent groups of raters. According to 6.14 it should look like that: Hilf_m4 BY ob1m4 ! Rater mothers ob11m4 ob16m4 ob21m4 ob6m4 (1013); Hilf_fk BY ob1fk ! Rater fathers ob11fk ob16fk ob21fk ob6fk (1013); Pf_m4 BY ob10m4 ! Rater mothers ob15m4 ob20m4 ob25m4R ob5m4 (1417); Pf_fk BY ob10fk ! Rater fathers ob15fk ob20fk ob25fkR ob5fk (1417); 1. Question: Is the syntax correct? Or do I need to specify and add something like in the example? i s  Hilf_m4@0 Pf_m4@0 Hilf_fk@1 Pf_fk@1; 2. Question: Assuming that the syntax is correct are there any ways to get any information regarding specific parameters? As far as I can see it, this way it is only possible to evaluate the global fit and not differences like different factor means or different correlation coefficients? 3. Question: Assuming that the syntax is correct, would you still call that a growth modell? I hope my request makes sense. Best regards, Oliver 


I should add that it's a dyadic analysis with no time component. 


1. Yes, correct. No need for the growth model part. 2. You can estimate factor mean differences if you apply scalar invariance instead of the metric invariance you use (add intercept invariance). Any parameter difference for fathers vs mothers can be expressed as NEW parameter in Model Constraint and thereby get tested. 3. No. 


I will try that. Thank you very much! 

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