Table 1 Participant’s demographic data and linguistic profiles.

From: Behavioral and oscillatory signatures of switch costs in highly proficient bilinguals

(1) Behavioral experiment

Mean

SD

Contrast between languages

Age (range: 19–37 years)

 

27.4

5.22

   

Gender

 

9f. / 16 m

    
 

Language

Mean

SD

P-value

W

rrb

Interview (0–5)

Spanish

4.92

0.28

0.121

68

0.495

Basque

4.76

0.44

AoA (0–5 years)

Spanish

0.6

1.7

0.259

29

− 0.363

Basque

1.32

1.93

Composite score (0–1)

Spanish

0.38

0.3

0.331

185

0.233

Basque

0.3

0.24

(2) MEG experiment

Mean

SD

Contrast between languages

Age (range: 19–35 years)

25.04

3.94

    

Gender

 

16f./5 m

    
 

Language

Mean

SD

P-value

W

rrb

Interview (0–5)

Spanish

4.96

0.08

0.11

67

0.47

Basque

4.83

0.29

AoA (0–4 years)

Spanish

0.47

1.28

0.162

21

− 0.462

Basque

1.28

1.70

Composite score (0–1)

Spanish

0.5

0.29

0.10

163

0.41

Basque

0.3

0.29

  1. Descriptive statistics and comparisons between languages (performed using paired samples Wilcoxon test) are provided for each group of bilinguals. Mean (M), standard deviations (SD), W values, p-values, and effect sizes (rank-biserial correlation coefficients, rrb) are shown for language proficiency indexes (i.e. proxy of language exposure and BEST scores) and age of acquisition (AoA).
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