Table 4 Variance components of model 1 (without adjustment for rater stringency)
2009 | 2010 | ||||
|---|---|---|---|---|---|
Effect | Variance components (95% CI) | % | Variance components (95% CI) | % | |
Cand | Systematic differences in candidate performance | 0.13 (0.09-0.20) | 12.2 | 0.21 (0.16-0.27) | 18.1 |
Stat | Systematic differences in station difficulty | 0.06 (0.02-0.19) | 5.0 | 0.04 (0.01-0.13) | 3.3 |
Rater | Systematic differences in rater stringency | 0.09 (0.05-0.14) | 7.8 | 0.04 (0.03-0.07) | 3.8 |
Cand*stat | Differences in candidate performance between stations | 0.30 (0.25-0.36) | 27.6 | 0.39 (0.34-0.43) | 33.3 |
Rater*cand (+ error) | Differences in rater candidate taste, and residual variance | 0.52 (0.48-0.56) | 47.5 | 0.48 (0.45-0.51) | 41.5 |
Total | 1.09 | 100 | 1.16 | 100 | |