highly significantP < 0.001
The effects of both breed and demonstration were highly significant (Breed: Wald χ 2 = 13.9, P < 0.001; Demonstration: Wald χ 2 = 19.6, P < 0.001), and there was no significant interaction between breed and demonstration (Wald χ 2 = 0.18, P = 0.67).