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Re: st: ttest or xtmelogit?


From   "Joseph Coveney" <jcoveney@bigplanet.com>
To   "Statalist" <statalist@hsphsun2.harvard.edu>
Subject   Re: st: ttest or xtmelogit?
Date   Wed, 12 Mar 2008 11:11:57 +0900

David Airey wrote:

. . . I wonder if reviewers will buy this kind of
supporting documentation for analysis choice down the road.

--------------------------------------------------------------------------------

One approach to using an asymptotic method here would be to reference the
resulting test statistic (-xtlogit-'s likelihood-ratio chi-square, for
instance) against its empirical distribution in simulation under the null
hypothesis using the study's sample sizes and with the observed rho instead
of against the chi-square distribution.  Wouldn't this overcome objections
that an asymptotic method, such as -xtlogit-, doesn't maintain Type I error
rate with small samples?  I wonder how well this approach would be received.

Joseph Coveney


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