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Random Effects From the Cross-Classified, Growth-Curve Model for Total Number of Years Students Were in ISI Intervention Classrooms for Reading Score (z score)
| Effect | SD | Variance component | χ2 | p |
|---|---|---|---|---|
| Intercept 1/row, b00f | 0.547 | 0.299 | χ2(770) = 9737.369 | <.001 |
| Time/row, b10f | 0.019 | 0.0004 | χ2(770) = 2429.529 | <.001 |
| Level 1, e | 0.294 | 0.086 | — | — |
Note: N = 882 students and 95 teachers. ISI = Individualizing Student Instruction.
