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From | "JVerkuilen (Gmail)" <jvverkuilen@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: statalist-digest V4 #4807 (st: reliability with -icc- ) - Statistics as APPLIED science |
Date | Thu, 28 Feb 2013 08:37:42 -0500 |
On Thu, Feb 28, 2013 at 6:10 AM, Nick Cox <njcoxstata@gmail.com> wrote: > I do agree broadly with Allan, whether or not that is surprising. Me too, actually, though I think both Nick and I were misquoted and taken out of context. I know the first thing I did with the raw data was qnorm and graph box.... > A wilder idea is that rater 4 who gave no score higher than 3 either > never knew or somehow forgot that scores could be up to 100 and just > used a 5-point scale. Even if #4 did know that, #4 is so out-of-line > that including them remains dubious, although doing computations with > and without #4 remains manageable. > > In any case if the highest score is 18, then something else is going > on that needs to be spelled out, if only as context. 100% agree and that's certainly consistent with a good bit of the discussion on that thread, but there were quite a bit of discussions not strictly aimed at Lenny's original problem but at the broader question of ICC estimation using Stata, which is the nature of this listserv. > Only the original poster can add more context than we already have. In > any field that I know about this dataset would be too small to be > publishable, except as a toy dataset to make points about method > (which I take it is Jay's motive here). Yes, that's my exact motive. I'm writing a paper on "small sample" problems with estimation of reliability coefficients, which are quite common in practice. -- JVVerkuilen, PhD jvverkuilen@gmail.com "It is like a finger pointing away to the moon. Do not concentrate on the finger or you will miss all that heavenly glory." --Bruce Lee, Enter the Dragon (1973) * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/faqs/resources/statalist-faq/ * http://www.ats.ucla.edu/stat/stata/