showed a trendp = 0.058
Attempts to solve the task The factor species showed a trend towards affecting the frequency of attempts to solve the task (i.e. getting the food) (GLMM, LRT: χ 2 (1) = 3.35, p = 0.058), with dogs tending to attempt more often than pigs ( Z = −1.891, p = 0.058; figure 4a ; see electronic supplementary material, table S9 for complete model results).