Table 2 Descriptive summary of noise categories as defined by Kahneman et al., [13]
Type of Noise | Definition |
|---|---|
System noise | Variability in judgements of the same case across an institution. Composed of level and pattern noise. |
Level noise | Variability in the average level of judgments by different judges. The overall patterns of each judge compared to the overall patterns of all judges. |
Pattern noise | Variability that reflects a complex pattern in the attitudes of individuals to particular cases. Judge x case interaction. |
Stable pattern noise | A type of pattern noise. Variability that is repeatedly observed. |
Occasion noise | A type of pattern noise. Variability that is due to transient effects. |