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Table 1 Summary of descriptive and inferential statistics in non-symbolic magnitude estimations (accuracy)

From: Individual differences in non-symbolic numerical abilities predict mathematical achievements but contradict ATOM

Ratio

Number (OTS)

Number (ANS)

Space

Time

 

Mean ± std. dev.

Mean ± std. dev.

Mean ± std. dev.

Mean ± std. dev.

 

One sample t-test

One sample t-test

One sample t-test

One sample t-test

0.25

0.957 ± 0.096

0.950 ± 0.101

0.946 ± 0.092

0.957 ± 0.142

t(34) = 28.29, p < 0.001*

t(34) = 26.24, p < 0.001*

t(34) = 25.59, p < 0.001*

t(34) = 19.04, p < 0.001*

0.33

0.943 ± 0.107

0.943 ± 0.123

0.907 ± 0.110

0.900 ± 0.237

t(34) = 24.60, p < 0.001*

t(34) = 21.38, p < 0.001*

t(34) = 21.75, p < 0.001*

t(34) = 10.01, p < 0.001*

0.50

0.950 ± 0.101

0.936 ± 0.127

0.860 ± 0.135

0.757 ± 0.329

 

t(34) = 26.24, p < 0.001*

t(34) = 20.40, p < 0.001*

t(34) = 15.83, p < 0.001*

t(34) = 4.62, p < 0.001*

0.67

0.943 ± 0.137

0.907 ± 0.150

0.918 ± 0.105

0.686 ± 0.385

t(34) = 19.16, p < 0.001*

t(34) = 16.10, p < 0.001*

t(34) = 25.60, p < 0.001*

t(34) = 2.85, p = 0.007*

0.70

 

0.871 ± 0.165

0.893 ± 0.114

0.657 ± 0.379

 

t(34) = 13.35, p < 0.001*

t(34) = 20.39, p < 0.001*

t(34) = 2.45, p = 0.019*

0.75

0.921 ± 0.146

0.843 ± 0.193

0.904 ± 0.136

0.629 ± 0.426

t(34) = 17.12, p < 0.001*

t(34) = 10.53, p < 0.001*

t(34) = 17.57, p < 0.001*

t(34) = 1.785, p = 0.083

0.80

 

0.843 ± 0.183

0.889 ± 0.154

0.543 ± 0.409

 

t(34) = 11.10, p < 0.001*

t(34) = 14.96, p < 0.001*

t(34) = 0.620, p = 0.539

0.85

 

0.764 ± 0.181

0.857 ± 0.166

0.514 ± 0.445

 

t(34) = 8.62, p < 0.001*

t(34) = 12.69, p < 0.001*

t(34) = 0.190, p = 0.851

0.90

 

0.671 ± 0.180

0.754 ± 0.150

0.529 ± 0.401

 

t(34) = 5.65, p < 0.001*

t(34) = 10.00, p < 0.001*

t(34) = 0.421, p = 0.676

0.95

 

0.486 ± 0.191

0.667 ± 0.244

0.471 ± 0.382

  

t(34) = 0.44, p = 0.661

t(34) = 4.07, p < 0.001*

t(34) = 0.442, p = 0.661