Table 9 Results from the correlation analysis: number of tokens; Pearson’s correlation coefficient; Spearman’s correlation coefficient, p value of the Spearman rank-based correlation test

SLP

106

112

81

85

93

Number of tokens

− 0.574

− 0.269

0.268

0.232

0.181

Pearson’s correlation coef.

− 0.546

− 0.202

0.216

0.225

0.171

Spearman’s correlation coef.

.000*

.033*

.053

0.039*

.101

p value

VOT

106

106

80

83

91

Number of tokens

− 0.015

− 0.872

− 0.235

− 0.042

− 0.114

Pearson’s correlation coef.

− 0.019

− 0.867

− 0.217

− 0.079

− 0.140

Spearman’s correlation coef.

.850

.000*

.053

.477

.186

p value