Course
Specialized120 min
episensr
Probabilistic Bias Analysis
Slide 1 of 6
Beyond Single Bias Analysis
Simple bias analysis uses single values for bias parameters.
Probabilistic bias analysis (PBA) uses distributions:
| Approach | Input | Output |
|---|---|---|
| Simple | Point estimate of Se, Sp | Single corrected estimate |
| Probabilistic | Distributions of Se, Sp | Distribution of corrected estimates |
Advantage: Captures uncertainty in both:
- Random error (sampling variability)
- Systematic error (bias parameters)
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