Table 3.

Experiment 1: accuracy models

Random effects			Fixed effects
Factor	Variance	SD	Factor	Estimate	SE	z
Participant	0.03	0.18
Speaker	0.98	0.99
			(Intercept)	4.91	0.81	6.07
			Vocalization type 2	− 2.67	0.41	− 6.53
			Vocalization type 3	− 3.57	0.41	− 8.83
			Speaker Sex 1	− 2.68	1.00	− 2.68
			Vocalization type 2 : speaker sex 1	3.55	0.47	7.59
			Vocalization type 3: speaker sex 1	4.02	0.45	8.88

	Df	AIC	BIC	logLik	Deviance	χ 2	Df	p
Reduced model: interaction	6	1873.40	1909.80	− 930.72	1861.40
Full model	8	1745.20	1793.70	− 864.61	1729.20	132.23	2	< .001

Full model: Accuracy ~ Vocalization type + Speaker sex + Vocalization type: speaker sex + (1 | Speaker) + (1 | Participant)

Reduced model (interaction): Accuracy ~ Vocalization type + Speaker sex + (1 | Speaker) + (1 | Participant)

Vocalization type: 1—vowels, 2—crying_s, 3—laughter_s

Speaker sex: 0—male, 1—female