Table 2.

Factors affecting whether the dogs first look within 2 s was to the door

Fixed effects	Estimate	SE	Wald χ2	P
Condition: test	1.914	0.262	74.412	<0.001
Age in months: linear	−7.271	4.094	2.861	0.091
Age in months: quadratic	13.361	4.071	10.339	<0.001
Session: session1	0.708	0.214	11.560	<0.001