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st: Measuring the reliability of a questionnaire


From   Cristian Pattaro <cristian@biometria.univr.it>
To   statalist@hsphsun2.harvard.edu
Subject   st: Measuring the reliability of a questionnaire
Date   Mon, 05 Apr 2004 11:25:23 +0200

Hi all!

I'm studying the reliability of a questionnaire over the time. I have adminstered the same questionnaire the first time and then the second time, 10 years apart. Both categorical and continuous response variables are considered. I need a measure of the stability of the questions over the time.

Does anybody know if there is any implemented Stata command for - obtaining Kappa confidence intervals
- performing an homogeneity test within M Kappas from M independent populations
- calculating the Bennett's S statistics for Stability?

Any other suggestion?

Many thanks!
Cristian

=============================================
Cristian Pattaro
=============================================
Unit of Epidemiology & Medical Statistics
Department of Medicines and Public Health
University of Verona

cristian@biometria.univr.it
=============================================

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