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st: Sensitivity analysis for quasi-experiments

From   Dan chandler <>
To   StataList <>
Subject   st: Sensitivity analysis for quasi-experiments
Date   Mon, 25 Nov 2002 11:16:54 -0800

Dear Stata List Members,

Paul Rosenbaum, in his book Observational Studies, presents formulas for
performing "sensitivity analysis" in observational studies--where the
treatment groups are not assigned randomly.  Sensitivity analysis is used to
estimate the likelihood that hidden bias might account for a statistically
significant association between the treatment and outcome.

I have been unable to find a user-written Stata ado file for performing this
type of sensitivity analysis. Does anyone on the list know if such exists?


Dan Chandler

Daniel Chandler, Research Director
California Institute for Mental Health Welfare Reform Project
436 Old Wagon Road
Trinidad, CA 95570
Phone and fax phone: (707) 677 0895
Research reports available at

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