Table 3: Standardized regression coefficients of background variables and performance ratios as predictors and academic achievements as the predicted variables.
Predicted variables | ||||||||
Language arts | Mathematics | |||||||
Predictors | Grammar | Written exp. | Reading comp. | Total | Whole numbers | Fractions | Geometry | Total |
Block 1 (enter) | ||||||||
Sex | - 0.006 | 0.552** | - 0.088 | 0.155 | 0.104 | - 0.113 | - 0.057 | - 0.038 |
Age | 0.001 | - 0.047 | - 0.112 | - 0.096 | - 0.152 | - 0.108 | - 0.198 | - 0.153 |
Dominant foot | - 0.002 | - 0.013 | 0.018 | 0.026 | - 0.143 | - 0.229a | - 0.236* | - 0.225 |
Physical activity | - 0.140 | - 0.094 | - 0.144 | - 0.142 | - 0.087 | - 0.142 | - 0.167 | - 0.143 |
Task order | - 0.044 | - 0.099 | - 0.064 | - 0.096 | - 0.022 | - 0.119 | 0.129 | - 0.049 |
LD | - 0.090 | - 0.194 | - 0.190 | - 0.196 | - 0.209 | - 0.279* | - 0.311* | - 0.297* |
Block 2 (stepwise) | ||||||||
Ratio Dyn. 2/1 | 0.256* | 0.312* | 0.304* | |||||
Ratio Dyn. 3/1 | ||||||||
Ratio Stat. 2/1 | ||||||||
Ratio Stat. 3/1 | - 0.416** | - 0.352** | - 0.296* | |||||
Model R2 | 0.31 | 0.45 | 0.18 | 0.32 | 0.11 | 0.18 | 0.22 | 0.18 |
Model F | 3.18 | 6.54 | 1.74 | 3.29 | 1.16 | 2.12 | 2.78 | 2.11 |
Model p | 0.005 | > 0.001 | 0.119 | 0.004 | 0.342 | 0.064 | 0.019 | 0.065 |
Note: LD: Learning disabilities; Written exp: written expression; Reading comp: Reading comprehension; *p < 0.05; **p < 0.01; ap < 0.06.