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Figure 8. How average error per observation affects uncertainty about the "true" average performance

Methodological Considerations in Generating Provider Performance Score

Two graphs show effect of average error per observation. In the first, the average error is higher, so there is a greater range of uncertainty about average performance. The average performance for each provider is 65. Performance is shown for six providers, ranging from about 40 to 80. In the second, the average error is lower, so there is a smaller range of uncertainty about average performance. The average performance for each provider is 65. Performance is shown for six providers, ranging fr

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Current as of September 2011
Internet Citation: Figure 8. How average error per observation affects uncertainty about the "true" average performance: Methodological Considerations in Generating Provider Performance Score. September 2011. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/professionals/quality-patient-safety/quality-resources/value/perfscoresmethods/perfscfig8.html