Power of difference tests in weighted... PreviousNext
Mplus Discussion > Multilevel Data/Complex Sample >
 Thomas Klausch posted on Friday, April 13, 2012 - 3:24 pm
Dear Linda, Bengt,

I am comparing the impact of weighting on Chi-square difference tests of some nested models (using DIFFTEST). I was wondering if anything is known about the reduction in power of the chi-square difference test by propensity weighting, e.g. due to reduced effective sample size.

Moreover, I am wondering, if there is a way to adjust the 'unweighted tests' to the weighted tests in terms of power, e.g. by randomly selecting a subset of observations which equals the effective sample size of the weighted test.

Thanks a lot,

 Linda K. Muthen posted on Saturday, April 14, 2012 - 3:14 pm
This has not been studied as far as I know. It is a research question.
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