DIFF-test and cluster sampling PreviousNext
Mplus Discussion > Multilevel Data/Complex Sample >
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 Rebecca de Leeuw posted on Monday, October 23, 2006 - 11:57 am
Dear Dr. Muthen,

For my SEM-analyses, I applied cluster sampling because of non-independence of the participating adolescents (i.e., in most cases adolescents were part of the same family). Consequently, I tried to ascertain no differences between these clustered adolescents (i.e., the older adolescents versus the younger adolescents). However, is it possible to do a DIFF-test while using cluster sampling? In other words: Can I do a DIFF-test for non-independent groups?

Yours sincerely,

Rebecca de Leeuw
 Linda K. Muthen posted on Monday, October 23, 2006 - 3:45 pm
You should not do a multiple group analysis when the groups are not independent. You say you applied cluster sampling. What do you mean by that? If you want to take the non-independence into account, you can use TYPE=COMPLEX; or TYPE=TWOLEVEL;
 Rebecca de Leeuw posted on Thursday, October 26, 2006 - 8:03 am
Thank you, for your message. For taking into account the non-independence I clustered the adolescents from one family (CLUSTER IS) while using TYPE=COMPLEX.

Yours sincerely,

Rebecca de Leeuw
 Linda K. Muthen posted on Thursday, October 26, 2006 - 4:05 pm
Sounds good.
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