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Table 5 Correlations of the accuracy in the symbolic numerical task and the internal Weber fraction of non-symbolic magnitude tasks (* = p < 0.05)

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

  Non-symbolic magnitude estimation Symbolic numerical task Control task
  Time Space Number Mental Mathematical Stroop test
    (ANS) Calculation Reasoning  
Time   r = -0.079 r = 0.003 r = 0.053 r = -0.069 r = -0.156
  P = 0.652 P = 0.988 P = 0.763 P = 0.695 P = 0.372
Space    r = 0.020 r = 0.127 r = 0.038 r = -0.093
   P = 0.907 P = 0.468 P = 0.829 P = 0.597
Number     r = -0.498 r = -0.393 r = -0.088
(ANS)     P = 0.002 * P = 0.019 * P = 0.614