I have 8 indicator variables and am wondering how best to assign them to a latent variable in lavaan. I have 6 indicator variables that were measured using a 7-point likert scale. The 2 other indicator variables consist of z-standardised variables. They describe the time in which a task was completed and how well this task was completed.
It is also important that the 2 z-indicator variables are weighted as highly as the other 6.
I would be very grateful if someone could help me, I’m just starting to familiarise myself with SEM and couldn’t find any documentation for my problem.
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