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MESSAGE: THE LATENT VARIABLE COVARIANCE |
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Message/Author |
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Linda, I've got a warning message saying that: THE LATENT VARIABLE COVARIANCE MATRIX (PSI) IN GROUP GIRLS IS NOT POSITIVE DEFINITE... I have detected the problem, two latent factors had a std-solution with correlation above 1. Could I constrain this factor's variance to 1 (FACTOR1@1;) to overcome this problem? Or are there other approches available? Thank you, |
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If two factors correlate greater than one, the model needs to be changed for girls. The first step in a multiple group analysis is to fit the model in each group separately. If the same model does not fit in each group, comparisons across groups do not make sense. You might want to start with an EFA in each group to see if the same number of factors fits in each group. |
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