Table 6.
Generalized linear mixed model selected based on AIC for the results of Experiment 2.
| β | SE | Z | P (>|Z|) | |
|---|---|---|---|---|
| Intercept | 2.4 | 0.53 | 4.6 | 4.3 × 10-6 |
| Duration (min.) | -0.25 | 0.08 | -3.0 | 2.6 × 10-3 |
| Boredom | -0.02 | 5.0 × 10-3 | -4.1 | 4.5 × 10-5 |
| Difficulty | -0.01 | 7.5 × 10-3 | -1.6 | 0.12 |
| σ | SE | |||
| Random effect | 1.0 | 0.09 | ||
AIC = 247.5; conditional R2 = 0.32; SE, standard error; Z = Wald statistic; P(>|Z|) = probability that a more extreme estimation of β than observed is obtained given that true β = 0; GLMM, generalized linear mixed model; AIC, Akaike information criterion.