Student-Level Variables | Variable Name | Mean | Standard deviation |
Posttest scores | Yij | 97.13 | 13.03 |
Pretest scores | (PRE)ij | 78.53 | 17.48 |
Age | (AGE)ij | 14.44 | 1.38 |
Gender | (GENDER)ij | 0.49 | 0.50 |
Whites-Blacks | (RACE1)ij | 0.12 | 0.32 |
Whites-Hispanics | (RACE2)ij | 0.12 | 0.32 |
Whites-Others | (RACE3)ij | 0.04 | 0.21 |
Sex x Age Interaction | (INT2)ij | 7.21 | 7.38 |
Class-Level Variables | |||
Class Size | (CLSIZE)ij | 28.28 | 16.27 |