marginal significanceP = 0.046
Models were not over-dispersed (GLMM Experiment I,PC1 : P = 0.936; GLMM Experiment I,PC2 : P = 0.96; GLMM Experiment II,PC1 : P = 0.92.; GLMM Experiment II,PC2 : P = 1.0; GLMM Experiment III,PC1 : P = 0.856; GLMM Experiment III,PC2 : P = 0.88), no outliers were detected (all GLMMs: P = 1, except GLMM Experiment II,PC1 : P = 0.285), and visual inspection of the Q-Q plots confirmed the normality of the residuals with a single exception at the marginal significance level (Kolmogorov–Smirnov test, GLMM Experiment I,PC1 : P = 0.046; GLMM Experiment I,PC2 : P = 0.671; GLMM Experiment II,PC1 : P = 0.336; GLMM Experiment II,PC2 : P = 0.964; GLMM Experiment III,PC1 : P = 0.705; GLMM Experiment III,PC2 : P = 0.570).