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st: Scale construction and item analysis (teaching materials ?)


From   "Jens Lauritsen" <jl@epidata.dk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Scale construction and item analysis (teaching materials ?)
Date   Tue, 30 Dec 2008 09:40:48 +0100 (CET)

I recently attended a course on evaluation of health measurement scales
where examples were shown based on SPSS.  I am about to produce a  "short
overview of Stata Commands for Scale validation and Interrater agreement
investigations" for the participants. The course included aspects of Item
Response Models. The short overview will focus on "classic methods" and
mention IR models.

The course was based on the book:
Streiner DL, Norman GR. Health Measurement Scales - A practical guide to
their development and use. Oxford Univ. Press, 2008 (4ed). ISBN
978-0-19-923188-1

For the overview/notes/"cheat sheet" I am aware of the various parts of
the manuals (kappa, alpha, ROC curve ....etc. ) and the chapter in Juul
(Stata for Medical ....) doing this, but some parts seem to be missing, in
particular in relation to implementations in Stata of: fixed and random
variance components from repeated measures Anova (Two-way Anova) (as
described in chapter 9 of the mentioned book)  - Socalled G and D studies.
Minimally important change estimation etc.

If someone have materials or lists describing this report to the list or
contact me  off-list at jlauritsen (at) health.sdu.dk

Regards and happy new year to all
Jens Lauritsen, MD PhD
University of Southern  Denmark and Odense University Hospital
Denmark



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