Stratification of SCHOOLS on the Basis of Prestudy Discipline Referral Data
| Condition | School # | Mean Campus Enrollment | Mean # Discipline Referrals ( ± SD) | SD/Mean # Discipline Referrals (expressed as %) | Variability Stratum |
|---|---|---|---|---|---|
| Intervention | 1 | 112 | 200(± 25) | 13% | |
| Control | 2 | 347 | 185(± 21) | 11% | |
| Control | 3 | 540 | 785(± 20) | 3% | |
| Intervention | 4 | 373 | 1,739 (± 149) | 9% | <25% |
| Intervention | 5 | 429 | 647(± 75) | 12% | |
| Control | 6 | 1,248 | 1,239(± 13) | 1% | |
| Intervention | 7 | 2,106 | 8,236 (± 1318) | 16% | |
| Control | 8 | 3,195 | 8,378 (± 1214) | 14% | |
| 9 | 2,350 | 2,692 (± 985) | 37% | 25-40% | |
| 10 | 1,594 | 1,556 (± 635) | 41% | ||
| 11 | 2,834 | 4,028 (± 1707) | 42% | >40% |
| Condition | School # | Mean Campus Enrollment | Mean # Discipline Referrals ( ± SD) | SD/Mean # Discipline Referrals (expressed as %) | Variability Stratum |
|---|---|---|---|---|---|
| Intervention | 1 | 112 | 13% | ||
| Control | 2 | 347 | 11% | ||
| Control | 3 | 540 | 3% | ||
| Intervention | 4 | 373 | 9% | <25% | |
| Intervention | 5 | 429 | 12% | ||
| Control | 6 | 1,248 | 1% | ||
| Intervention | 7 | 2,106 | 16% | ||
| Control | 8 | 3,195 | 14% | ||
| 9 | 2,350 | 2,692 (± 985) | 37% | 25-40% | |
| 10 | 1,594 | 1,556 (± 635) | 41% | ||
| 11 | 2,834 | 4,028 (± 1707) | 42% | >40% |
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