TABLE 3.
Mean percentile (and standard deviation) of CPM, raw scores (and standard deviation) and percentage of correct answers on numerical cognition assessment for DD and TD groups at four-time points (baseline to follow-up).
| DD (n = 22) | TD (n = 22) | ||||||||||||||||
| CPM | Baseline | % | Mid-test | % | Post-test | % | Follow-up | % | Baseline | % | Mid-test | % | Post-test | % | Follow-up | % | Max |
| Percentile | 69.27 (18.13) | 71.54 (22.64) | 70.45 (22.35) | 73.14 (21.01) | 74.54 (15.27) | 79.04 (18.18) | 76.59 (14.75) | 79.54 (19.39) | |||||||||
| Numerical cognition | |||||||||||||||||
| Enumeration | 4.16 (1.22) | 17 | 4.48 (1.55) | 19 | 4.09 (1.49) | 17 | 4.32 (1.18) | 18 | 5.32 (1.16) | 22 | 5.07 (1.07) | 21 | 4.57 (1.68) | 19 | 5.02 (1.18) | 21 | 24 |
| Number production | 7.20 (2.29) | 20 | 9.53 (1.87) | 26 | 10.16 (1.77) | 28 | 11.02 (0.77) | 31 | 10.17 (1.54) | 28 | 10.59 (1.05) | 29 | 10.76 (2.32) | 30 | 11.46 (0.50) | 32 | 36 |
| Number comprehension | 11.63 (2.06) | 25 | 13.76 (2.07) | 30 | 14.12 (2.40) | 31 | 14.73 (2.20) | 32 | 14.58 (1.64) | 32 | 15.55 (1.38) | 34 | 15.25 (3.56) | 33 | 16.55 (1.08) | 36 | 46 |
| Calculation | 7.27 (4.13) | 13 | 10.18 (5.01) | 18 | 12.57 (5.22) | 22 | 15.43 (5.89) | 28 | 16.23 (3.90) | 29 | 17.91 (4.55) | 32 | 18.34 (6.30) | 33 | 19.25 (4.94) | 34 | 56 |
| Number line | 11.82 (4.80) | 49 | 15.05 (3.47) | 63 | 13.07 (3.63) | 54 | 15.02 (3.38) | 64 | 14.75 (3.70) | 61 | 15.77 (3.53) | 66 | 14.52 (4.53) | 61 | 16.59 (2.74) | 69 | 24 |
| Memory of digits | 21.64 (4.77) | 45 | 24.09 (5.36) | 50 | 24.09 (5.29) | 50 | 25.45 (4.83) | 53 | 24.09 (5.87) | 50 | 25.36 (5.67) | 53 | 27.27 (5.81) | 57 | 26.27 (6.15) | 55 | 48 |
| Zareki-R total | 91.18 (13.26) | 49 | 114.23 (17.59) | 61 | 119.20 (21.41) | 64 | 132.00 (19.24) | 71 | 132.48 (13.38) | 71 | 140.14 (12.92) | 75 | 144.43 (15.55) | 78 | 149.14 (12.36) | 80 | 186 |
CPM, Raven’s colored progressive matrices; SD, standard deviation; DD, children with developmental dyscalculia; TD, typical development children which underwent MT; n, number of participants;%, percentage of correct responses for each numerical cognition; Max, highest possible raw score.