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Mplus Discussion > Growth Modeling of Longitudinal Data >
 Daniel Rodriguez posted on Wednesday, December 17, 2008 - 12:01 pm
Hi, I am considering using multiple cohorts for a new study. One of my study aims requires a multi-group parallel process growth curve model, assessing the effects of process a on process b. Reading through example 6.18, it would appear that sequential process designs involve multi-group modeling, as each cohort represents a unique group. So, would it be possible to do what I am seeking to do yet taking advantage of the full data? In other words, would it be possible to assess the effects by sex for instance (a two group model) when I'm already using multi-group modeling to include the multiple cohorts? I hope I make myself clear.
 Linda K. Muthen posted on Wednesday, December 17, 2008 - 3:55 pm
You can have both multiple groups representing gender and a multiple group multiple cohort design. You need to define the groups such that each cohort has a male and female group.
 Daniel Rodriguez posted on Thursday, December 18, 2008 - 4:24 am
This sounds very interesting. I'm doing a Monte Carlo for power. I'll give it a go.
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