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Table 1 Mean and median chronological age, non-verbal intelligence and reading age for the three groups compared

From: Parietal function in good and poor readers

Group No. Chronological Age Non-Verbal Mentation (Ravens IQ) Reading Age
   M SE M SE M SE
DD 17 11.7 0.4 95* 2 7.6** 0.3
CA 46 11.5 0.1 105 2 12.8 0.2
RA 16 8.1 0.1 106 3 8.5** 0.4
  1. DD = developmental dyslexia; CA = Chronological age matched; RA = reading age matched.
  2. Symbols denote significantly different from CA group.
  3. (* = p < .01; ** = p < .0001).