Table 3

Comparison of children’s scores compared with normative data using two-tailed t tests

NRange of results (scaled scores)Mean (SD)95% CI for the meanp Value*
Symbol search (processing speed)203–149.8 (3.1)8.4 to 11.20.77
Score! (sustained attention)201–158.1 (3.8)6.3 to 9.90.04
Sky Search (focussed attention)206–149.9 (2.0)8.9, 10.80.75
Creature counting (switching attention)201–147.5 (4.2)5.5 to 9.40.01
Sky Search DT (divided attention)191–106.9 (2.8)5.5 to 8.2<0.001
Dot locations (spatial learning)202–149.2 (3.2)7.7 to 10.70.28
Dot locations (immediate recall)203–149.2 (2.9)7.8 to 10.50.21
Dot locations (delayed recall)203–139.9 (3.7)8.1 to 11.60.86
Word pairs (auditory learning)203–138.2 (2.9)6.8 to 9.60.01
Word pairs (immediate recall)203–138.7 (2.9)7.3 to 10.00.05
Word pairs (delayed recall)204–1611.2 (3.4)9.6 to 12.80.13
Word pairs (delayed recognition)201–129.9 (3.5)8.3 to 11.50.90
Letter number sequencing (working memory)201–149.4 (3.6)7.7 to 11.10.46
Digit span (working memory)201–169.6 (3.8)7.8 to 11.40.65
Executive function (Zoomap 1)193–158.8 (3.3)7.2 to 10.40.13
Executive function (Zoomap 2)191–148.5 (4.1)6.5 to 10.40.12
  • *One sample (two-tailed) t test to compare mean with 10 (normative mean).