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 learningmplus posted on Wednesday, March 13, 2013 - 2:49 pm
Hi!

I am working on analyzing the data from a cluster randomized trials. A total of 14 schools participated -- 7 intervention and 7 control. The randomization was done in pairs of schools -- within each pair, one school was randomized to the intervention and the other to control. I was asked to run the analysis while preserving the "yolked" (i.e., randomization in pairs) structure of the design. How do I do this in Mplus?

I coded the 7 pairs and used the CLUSTER command, but I am not sure it is correct.
Do I need to calculate ICCs? How do I do this? Also, how do I get the standard deviation for the constructs measured in each of the schools?

Thank you for your help!
 Bengt O. Muthen posted on Wednesday, March 13, 2013 - 6:03 pm
Randomized pairs sounds like matched pairs randomization for which there are special analysis techniques (preserving the yolked design). Such analysis is not done in Mplus. It is different from a completely randomized design which Mplus would assume.
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