Table 3: Unconditional Within-Class HLM Results.
Fixed Effect | | Coefficient | SE | p | Effect Size |
Adjusted mean posttest score | γ00 | 97.02 | 0.54 | < 0.001 | ----- |
Mean pretest slope | γ10 | 0.18 | 0.02 | < 0.001 | 0.02 |
Mean age slope | γ20 | -0.47 | 0.28 | 0.09 | -0.04 |
Mean gender slope | γ30 | 7.15 | 3.44 | 0.04 | 0.66 |
Mean Whites vs. Blacks slope | γ40 | -2.08 | 0.77 | 0.01 | -0.19 |
Mean Whites vs. Hispanics slope | γ50 | -1.33 | 0.65 | 0.04 | -0.12 |
Mean Whites vs. Others slope | γ60 | -0.04 | 0.67 | 0.96 | -0.003 |
Mean age-gender interaction slope | γ70 | -0.52 | 0.22 | 0.02 | -0.05 |
Random Effect | γ80 | SD | Veriance | p | |
Level-2 Error Term | |
Adjusted classroom mean | u0j | 5.78 | | 33.46 | < 0.001 |
Pretest score effect | u1j | 0.21 | | 0.04 | < 0.001 |
Level-1 error term | rij | 9.78 | | 95.60 | |