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Type I error rate for small sample sizes and violation of model assumptions (%)
| Analysis method | n = 50 | n = 100 | Misspecified P(X|Z) |
|---|---|---|---|
| T1 empirical | 4.7 | 4.4 | 5.2 |
| T1 asymptotic | 6.0 | 4.8 | 4.9 |
| T2 empirical | 5.1 | 4.7 | 5.2 |
| T2 asymptotic | 7.0 | 5.6 | 5.3 |
| T3 empirical | 5.6 | 5.0 | 5.0 |
| T3 asymptotic | 4.0 | 4.1 | 5.2 |
| X linear | 5.3 | 4.8 | 5.1 |
| X categorical | 4.2 | 4.5 | 5.2 |
| Isotonic | 7.1 | 7.0 | 7.1 |
| Splines | 5.2 | 4.6 | 5.2 |
