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Table 5 Group differences on mathematics outcome measures

From: Patterns of symbolic numerical magnitude processing and working memory as predictors of early mathematics performance

  Weak SNMP1
(n = 86)
Strong SNMP
(n = 66)
Weak SNMP & WM2
(n = 60)
Strong WM3
(n = 44)
F p η2p
M (SD) M (SD) M (SD) M (SD)
Counting 18.67 (6.01) 23.39a (3.97) 15.18 (5.78) 23.18a (3.22) 35.35  < .001 .30
Word problem–solving 10.79 (2.73) 12.74a (3.17) 9.13 (2.87) 13.09a (3.35) 21.70  < .001 .21
Addition facts 4.35a (2.80) 8.59b (4.82) 3.20a (2.73) 7.86b (4.76) 30.03  < .001 .26
Subtraction facts 3.27a (2.69) 6.95b (4.11) 2.44a (2.33) 6.26b (4.25) 27.26  < .001 .25
  1. Note. Means within a row sharing the same subscript do not differ from each other at p < .05 (with Bonferroni adjustment). 1In Word problems and Addition facts n = 85; 2in Subtraction facts n = 59; 3in Subtraction facts n = 42