Table 3.

Results of a Linear Mixed Model in which the dependent variable was the composite score.

Predictor variables	Estimate	SE	t value	p value
Population	−0.32	0.12	−2.63	0.0095**
Order	−0.25	0.09	−2.91	0.0045**
Trial number	−0.09	0.01	−14.28	0.0000***
Trial type	−0.28	0.04	−6.35	0.0000***
Population × trial type	0.70	0.08	8.62	0.0000***
Population × order	0.47	0.16	2.96	0.0038**

Predictor variables were population (pet vs. assistance), order (low arousal trials first vs. low arousal trials first), trial number (1-10), and trial type (low arousal vs. high arousal). Dog ID was entered as a random effect. N = 30 pet dogs and 76 assistance dogs.

^***p < 0.001

^**p < 0.01

^*p < 0.05