Table 2 Results of the one-way Anova testing for differences between individuals for each acoustic parameter and arousal condition and the correlation coefficient with the three most important PCs for the DFA; LOW = Low arousal condition; HIGH = High arousal condition; bold p-values represent significant difference p < 0.05; bold loading factors represent the parameters showing loading factors higher than 0.700 with the respective PC

6.632

<.001

-.368

.365

.324

5.574

<.001

-.147

-.375

.132

1.230

0.256

-.080

-.113

-.218

1.894

0.022

.255

.168

.124

2.688

0.001

-.203

.056

.487

3.978

<.001

-.032

-.412

.145

25.331

<.001

.863

.047

.304

20.199

<.001

-.380

.810

.018

16.034

<.001

.864

-.149

.050

10.574

<.001

-.400

.650

-.312

27.394

<.001

.751

.213

.426

17.166

<.001

-.341

.818

.166

2.806

0.001

-.361

.363

.380

5.921

<.001

.012

.371

.602

3.919

<.001

.387

.255

.132

10.444

<.001

-.725

-.236

.071

8.305

<.001

.207

.814

-.081

8.631

<.001

-.677

-.202

.403

3.170

<.001

-.122

.755

.048

4.558

<.001

-.047

.172

.614

1.848

.033

-.015

.582

-.311

1.953

.017

.207

.112

.486

4.287

<.001

-.668

.078

.326

11.260

<.001

.711

.315

.174

2.322

.005

-.147

.289

-.080

4.707

<.001

.406

-.133

.414

1.130

.335

-.065

-.146

.072

1.896

.022

.281

-.143

.031

3.411

<.001

-.538

.022

.047

5.251

<.001

.658

.170

.046

1.727

.052

-.247

.306

.102

2.442

.002

.107

-.451

.455

2.086

.014

-.152

-.363

.047

2.386

.003

-.031

-.313

.045

6.789

<.001

-.704

-.385

.333

14.675

<.001

.850

.329

-.072

2.072

0.014

.205

-.474

.195

5.135

<.001

.140

-.110

-.695

3.902

<.001

.174

.632

.038

3.501

<.001

-.230

.074

.492

2.569

0.002

.459

-.061

.090

1.963

0.016

.091

.351

.025

4.058

<.001

.556

-.197

.171

2.174

0.007

-.438

.169

-.156