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Table 2 Equidae statistics. Statistical results (P-values extracted from linear mixed-effects models by parametric bootstrap) for the Equidae (significant p-values appear in bold)

From: Cross-species discrimination of vocal expression of emotional valence by Equidae and Suidae

Domestic horse

PC

Species played * Valence of the sound series

Valence of the sound series * Valence of the 1st sound series

Species played * Valence of the 1st sound series

Valence of the sound series

Species played

Valence of the 1st sound series

PC 1

0.35

0.24

0.50

0.39

≤0.001

0.93

PC 2

0.27

0.54

0.66

0.46

0.32

0.16

PC 3

0.45

0.68

0.28

0.19

0.41

0.25

PC 4

0.06

0.10

0.11

0.18

0.01

0.038

PC 5

0.63

0.74

0.76

0.09

0.34

0.98

Przewalski’s horse

PC

Species played * Valence of the sound series

Valence of the sound series * Valence of the 1st sound series

Species played * Valence of the 1st sound series

Valence of the sound series

Species played

Valence of the 1st sound series

PC 1

0.26

0.10

0.19

0.30

≤0.001

0.81

PC 2

0.75

0.62

0.94

0.10

0.28

≤0.001

PC 3

0.55

0.57

0.005

0.27

0.06

0.90

PC 4

0.54

0.39

0.84

0.54

0.47

0.82

PC 5

0.44

0.38

0.96

0.67

0.38

0.18