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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