Table 1 Linear mixed-effects model for experienced pleasantness ratings during fMRI scanning.
Model information | Number of observations | Fixed-effects coefficients | Random-effects coefficients | Covariance parameters | p | 95% CI | |
|---|---|---|---|---|---|---|---|
3225 | 12 | 30 | 2 | ||||
AIC | BIC | Log likelihood | Deviance | ||||
12886 | 122970 | −6428.5 | 12857 | ||||
Fixed-effects predictors | ß | SD | t | DF | |||
LL | UL | ||||||
Intercept | 4.68 | 0.18 | 26.21 | 3213 | <0.001 | 4.33 | 5.03 |
Trial number | −0.17 | 0.03 | −5.22 | 3213 | <0.001 | −0.23 | −0.11 |
Wine | −0.08 | 0.03 | −2.75 | 3213 | 0.006 | −0.15 | −0.03 |
Price cue | 0.45 | 0.03 | 13.91 | 3213 | <0.001 | 0.39 | 0.51 |
Payment | −0.03 | 0.03 | −0.79 | 3213 | 0.43 | −0.09 | 0.04 |
Trial number by Wine | 0.06 | 0.03 | 1.83 | 3213 | 0.07 | −0.00 | 4 0.12 |
Trial number by Price cue | −0.05 | 0.03 | −1.43 | 3213 | 0.15 | −0.11 | 0.02 |
Trial number by Payment | −0.05 | 0.03 | −1.51 | 3213 | 0.13 | −0.11 | 0.01 |
Wine by Price cue | −0.04 | 0.03 | −1.42 | 3213 | 0.16 | −0.11 | 0.02 |
Wine by Payment | −0.01 | 0.03 | −0.30 | 3213 | 0.76 | −0.07 | 0.05 |
Price cue by Payment | −0.01 | 0.03 | −0.41 | 3213 | 0.68 | −0.07 | 0.05 |
Trial by Price by Payment | 0.03 | 0.03 | 0.93 | 3213 | 0.35 | −0.03 | 0.09 |
Random-effects covariance parameters | 95% CI | ||||||
Subject (30 levels) | ß | LL | UL | ||||
Intercept | 0.96 | 0.74 | 1.25 | ||||
Error | ß | LL | UL | ||||
Residual | 1.74 | 1.7 | 1.78 | ||||