TABLE 3.

Comparison of ratings of cuteness and infantility in previous studies and in the current study (on a 6-point scale, either 0–5 or 1–6).

Attribute	Study	Adult dogs/cats	Puppies/kittens
Cuteness	Sherman et al., 2009, Exp. 1	3.2 ± 0.3	4.8 ± 0.1
	Sherman et al., 2009, Exp. 2	3.1 ± 0.3	4.3 ± 0.2
	Nittono et al., 2012, Exp. 1	4.2 ± 0.8	4.8 ± 0.6
	Nittono et al., 2012, Exp. 2	3.8 ± 0.4	5.0 ± 0.3
	Nittono et al., 2012, Exp. 3	3.9 ± 0.6	5.0 ± 0.7
	Yoshikawa et al., 2020	3.9 ± 0.3	4.7 ± 0.2
	Yoshikawa and Masaki, 2021, males	3.7 ± 0.3	4.9 ± 0.2
	Yoshikawa and Masaki, 2021, females	4.2 ± 0.2	4.5 ± 0.3
	Current study	3.8 ± 0.6	4.1 ± 0.6
Infantility	Sherman et al., 2009, Exp. 1	NA	NA
	Sherman et al., 2009, Exp. 2	NA	NA
	Nittono et al., 2012, Exp. 1	2.7 ± 0.6	4.8 ± 0.7
	Nittono et al., 2012, Exp. 2	2.3 ± 0.7	5.0 ± 0.4
	Nittono et al., 2012, Exp. 3	2.5 ± 0.7	5.0 ± 0.6
	Yoshikawa et al., 2020	2.8 ± 0.2	4.5 ± 0.2
	Yoshikawa and Masaki, 2021, males	1.8 ± 0.2	5.6 ± 0.1
	Yoshikawa and Masaki, 2021, females	1.9 ± 0.2	4.9 ± 0.2
	Current study	2.2 ± 0.9	3.6 ± 0.9