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SDT model parameters. The reduced χ2 = 1.22; the number of degrees of freedom = 24; µ1 = 80 and µ9 = 100 were fixed. The standard errors were estimated from the standard deviation of the residuals and the Jacobean matrix at the point of best fit in parameter space.
| µ2 | µ3 | µ4 | µ5 | µ6 | µ7 | µ8 | Cr1 | Cr2 | Cr3 | Cr4 | σ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 80.8 ± 0.8 | 83.2 ± 0.8 | 86.3 ± 0.7 | 90.0 ± 0.6 | 93.6 ± 0.7 | 96.8 ± 0.8 | 99.2 ± 0.8 | 79.5 ± 0.6 | 87.0 ± 0.5 | 93.0 ± 0.5 | 100.5 ± 0.6 | 4.7 ± 0.2 |
