Table 1 Statistical analysis against chance level for mapping scores in Experiment 1

From: A left-to-right bias in number-space mapping across ages and cultures

Two-tailed one-sample Wilcoxon signed rank test (µ = 0)

Group

Descriptive statistic

  

Test statistic

 

N

Median

IQR

Df

W-value

pvalue

95% CI

Log10(BF)

Italian Adults

38

1

0

37

721.5

<0.001

[1 1]

>2

Himba Adults 2021

60

0.067

1.6

59

1067

0.257

[–0.022 0.040]

–0.564

Himba Adults 2022

70

0.022

1.96

69

1284.5

0.805

[–0.156 0.111]

–0.842

Italian Preschoolers

28

0.020

1.31

27

261

0.188

[–0.044 0.556]

–0.374