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Mode Experiment | Updated Mode & Patient-Mix Adjustment
Abstract | Patient-mix Coefficients for March 2009 Publicly Reported HCAHPS Results have been Posted
Mode Experiment
The Mode Experiment was based on a nationwide random sample of short-term acute
care hospitals. Hospitals from each of CMS' ten geographic regions participated
in the Mode Experiment. A hospital's probability of being selected for the sample
was proportional to its volume of discharges, which guaranteed that each patient
would have an equal probability of being sampled for the experiment. The participating
hospitals contributed patient discharges from a four-month period: February, March,
April, and May 2006. Within each hospital, an equal number of patients was randomly
assigned to each of the four modes of survey administration. A randomized mode experiment
of 27,229 discharges from 45 hospitals was used to develop adjustments for the effects
of survey mode (Mail Only, Telephone Only, Mixed mode, or Active Interactive Voice
Response) on responses to the CAHPS
® Hospital Survey (also known
as Hospital CAHPS or HCAHPS).
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Updated Mode & Patient-Mix Adjustment Abstract (revised 5/2/08)
An updated abstract describing the Mode & Patient-mix Adjustment of HCAHPS is
available.
Click
here to view the complete Updated Mode & Patient-Mix
Adjustment Abstract of HCAHPS document.
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Patient-mix Coefficients for March 2009 Publicly Reported HCAHPS Results have been Posted
A new document that provides the patient-mix coefficients for the March 2009 public
reporting of HCAHPS results has been posted.
Click
here to view the complete Patient-mix Coefficients for March 2009 Publicly
Reported HCAHPS Results document.
Click
here to view the complete Patient-mix Coefficients for December
2008 Publicly Reported HCAHPS Results document.
Click
here to view the complete Patient-mix Coefficients for September
2008 Publicly Reported HCAHPS Results document.
Click
here to view the Patient-mix Coefficients for July 2008
Publicly Reported HCAHPS Results document.
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