Table 2.
Overview of domain-general cognitive abilities.
| Tasks | DD | TA4 | TA2 | |||
|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | |
| Color naming (RAN) | 59.16* | 14.75 | 44.88 | 8.90 | 53.35 | 10.82 |
| Visuospatial working-memory | 18.74 | 12.11 | 20.94 | 5.84 | 16.00 | 3.60 |
| Listening span | 17.95 | 3.82 | 22.72 | 6.39 | 19.55 | 5.19 |
DD, Children with mathematical difficulties in 4th grade; TA4, Age-matched control group of typical achievers in 4th grade; TA2, Ability-matched control group of typical achievers in 2nd grade.
*
Statistically significant difference (p < 0.05), between DD and TA4.