Table 2.

Mean owner-reported C-BARQ scores for main behavioural categories for Golden Retrievers (n = 1366), Goldendoodles (n = 157), Standard Poodles (n = 597) and Miniature Poodles (n =258. Model interactions between breed and other fixed effects are also reported. Breed comparison indicates when breeds differed.

Trait	Model Effect					Breed Mean Behavioural Scores
	Breed	Breed × Sex	Breed × Country	Breed × Where Acquired	Breed × Age at Evaluation Weeks	Golden Retriever	Goldendoodle	Miniature Poodle	Standard Poodle
Trainability			●	●		2.61	2.91	2.54	2.69
Stranger aggression		●	●	●	●	0.56	0.85	0.67	0.56
Owner aggression	●	●	●	●	●	0.35 a	0.19 ab	0.32 ab	0.17 b
Dog aggression	●	●	●	●	●	0.73 a	1.68 b	0.92 a	0.74 a
Dog Rivalry	●		●	●	●	0.42 a	0.37 a	1.05 b	0.38 a
Dog fear	●		●		●	0.82 ab	1.44 a	0.79 ab	0.74 b
Stranger Fear	●	●	●	●	●	0.48 a	1.16 b	0.65 ab	0.66 ab
Non-Social fear			●	●	●	0.93	1.12	1.04	0.73
Touch sensitivity	●		●	●	●	0.65 a	0.75 ab	1.04 b	0.61 a
Separation-related problems	●	●	●	●	●	0.51 a	0.93 ab	0.94 b	0.63 ab
Excitability				●	●	1.97	2.21	2.29	1.94
Attachment/attention-seeking behaviours		●	●			1.89	2.02	2.01	1.98
Chasing			●		●	1.74	2.23	1.84	1.98
Energy				●	●	2.01	2.05	2.05	2.04

● Significant difference for the indicated variable or interaction (p < 0.05). ^a,b Different letters within the same row denote significant differences (p < 0.05). Bolded text indicate traits that displayed significant differences between breeds.