Parameter | Random intercept model | Random intercept and slope model | ||||
---|---|---|---|---|---|---|
B | SE | p | B | SE | p | |
Fixed effects | ||||||
 Intercept |  |  |  |  |  |  |
 γ00 (mean score) | 3.52 | 0.36 | .00** | 3.63 | 0.34 | .00** |
 γ10 (mean slope: confidence) | −0.13 | 0.05 | .01* | −0.11 | 0.14 | .43 |
Random effects | ||||||
 eij (level 1 variance) | 6.11 | 0.21 | .01* | 5.72 | 0.19 | .00** |
 μ0j (level 2 variance) | 1.54 | 0.58 | .01** | 1.27 | 0.62 | .04* |
 μ1j (slope variance: confidence) |  |  |  | 0.25 | 0.11 | .02* |
Information criteria | ||||||
 AIC | 8356.60 | 8270.98 | ||||
 BIC (sample size adjusted) | 8365.84 | 8282.48 |