Table 3 Statistical analysis against chance level for Congruency Effect for each population in the Decreasing Task instruction of Experiment 2
From: A left-to-right bias in number-space mapping across ages and cultures
Two-tailed one-sample T test (µ = 0) | ||||||||
|---|---|---|---|---|---|---|---|---|
Group | Descriptive statistic | Test statistic | ||||||
N | Mean | SD | Df | t-value | pvalue | 95% CI | Effect size | |
Himba Adults 2021 | 33 | 0.052 | 0.096 | 32 | 3.129 | 0.004 | [0.018 0.086] | 0.545 |
Himba Adults 2022 | 78 | 0.022 | 0.083 | 77 | 2.267 | 0.026 | [0.003 0.041] | 0.257 |
Italian Preschoolers | 38 | 0.042 | 0.091 | 37 | 2.824 | 0.008 | [0.012 0.072] | 0.458 |
Two-tailed one-sample Wilcoxon signed rank test (µ = 0)* | ||||||||
Group | Descriptive statistic | Test statistic | ||||||
N | Median | IQR | Df | W-value | pvalue | 95% CI | Effect size | |
Italian Adults | 47 | 0.034 | 0.045 | 46 | 918 | <0.001 | [0.016 0.038] | 0.55 |