Table 2.
Estimates of random effects parameters across pain outcome models
| Outcome predictors | Variance | Standard deviation | Marginal R2 | Conditional R2 |
|---|---|---|---|---|
| Pain unpleasantness | .318 | .726 | ||
| Participant (nested within experimenter) | 3.58 | 1.89 | ||
| Experimenter | 0.24 | 0.49 | ||
| Residual | 2.57 | 1.60 | ||
| Pain intensity | .327 | .722 | ||
| Participant (nested within experimenter) | 3.39 | 1.84 | ||
| Experimenter | 0.07 | 0.27 | ||
| Residual | 2.43 | 1.56 | ||
| Pain evoked physiological arousal (mSCRa) | .252 | .700 | ||
| Participant (nested within experimenter) | 0.76 | 0.88 | ||
| Experimenter | < 0.001 | < 0.001 | ||
| Residual | 0.51 | 0.72 |
Values rounded to two decimals. All models showed significant χ2 statistics for random effects of participant (ps < .0001) and non-significant effects of experimenter
mSCRa mean skin conductance response amplitude