Table 3.
Variable | Group | Pretest mean (SD) |
Posttest mean (SD) |
Within-groups change scores | Between-groups change scores | 2-by-2 mixed model | |||
---|---|---|---|---|---|---|---|---|---|
Mean difference CI | p value | Mean difference CI | Time pretest vs posttest F p value η2 |
Main effect of group F p value η2 |
Interaction effect F p value η2 |
||||
Quotient of global development | Control | 57.67 (16.82) | 57.97 (15.66) | 0.30 (-4.45; 5.05) | 0.894a | 17.29 (9.19; 25.39) |
F = 20.35 < 0.001 η2 = 0.40 |
F = 767.84 < 0.001 η 2 = 0.96 |
F = 18.9< 0.001 η 2 = 0.39 |
Exp | 57.35 (11.42) | 74.94 (10.38) | 17.59 (10.59; 24.59) | < 0.001 a | |||||
| |||||||||
Quotient of motor development | Control | 58.95 (16.66) | 61.03 (15.17) | 2.08 (-2.24; 6.39) | 0.321a | 18.32 (9.71; 26.92) |
F = 28.42 < 0.001 η 2 = 0.49 |
F = 780.61 < 0.001 η 2 = 0.96 |
F = 18.88 < 0.001 η 2 = 0.39 |
Exp | 54.92 (12.32) | 75.32 (11.15) | 20.40 (12.51; 28.27) | < 0.001 a | |||||
| |||||||||
Quotient of visual-motor coordination development | Control | 57.68 (18.57) | 56.96 (16.68) | -0.72 (-7.14; 5.69) | 0.814a | 13.64 (3.99; 23.28) |
F = 6.68 0.015 η 2 = 0.18 |
F = 734.14 < 0.001 η 2 = 0.96 |
F = 8.35 0.007 η 2 = 0.22 |
Exp | 62.61 (11.47) | 75.53 (10.94) | 12.92 (5.17; 20.67) | 0.003 a | |||||
| |||||||||
Quotient of language development | Control | 56.97 (17.19) | 60.41 (16.51) | 3.44 (-1.84; 8.73) | 0.185a | 13.74 (4.79; 22.67) |
F = 22.22 < 0.001 η 2 = 0.43 |
F = 607.81 < 0.001 η 2 = 0.95 |
F = 9.85 0.004 η 2 = 0.25 |
Exp | 59.65 (15.32) | 76.83 (14.10) | 17.18 (9.49; 24.87) | < 0.001 a | |||||
| |||||||||
Quotient of social development | Control | 55.86 (18.97) | 53.47 (19.28) | -2.39 (-10.09; 5.31) | 0.519a | 23.65 (13.45; 33.84) | F = 14.29 0.001 η 2 = 0.32 |
F = 494.46 < 0.001 η 2 = 0.94 |
F = 22.43 < 0.001 η 2 = 0.43 |
Exp | 50.10 (12.42) | 71.36 (13.24) | 21.26 (13.92; 28.59) | < 0.001 a |
aStudent's t-test was used for related samples. SD: standard deviation. CI: confidence interval. Exp: experimental group.