Table 7.
Annual math gain in effect size based on longitudinal SEELS data
| 10th Percentile |
25th Percentile |
50th Percentile |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| Grade | Effect Size |
L95% CI |
U95% CI |
Effect Size |
L95% CI |
U95% CI |
Effect Size |
L95% CI |
U95% CI |
| 2–3 | — | — | — | 1.13 | −1.03 | 3.28 | 0.93 | −0.55 | 2.42 |
| 3–4 | 0.91 | −1.82 | 3.65 | 0.75 | −1.30 | 2.83 | 0.62 | −0.94 | 2.18 |
| 4–5 | 0.77 | −1.49 | 3.03 | 0.63 | −1.02 | 2.27 | 0.51 | −0.86 | 1.88 |
| 5–6 | 0.75 | −1.00 | 2.50 | 0.58 | −0.88 | 2.05 | 0.43 | −0.81 | 1.68 |
| 6–7 | 0.48 | −1.79 | 2.74 | 0.39 | −1.28 | 2.05 | 0.33 | −1.04 | 1.70 |
| 7–8 | 0.66 | −1.01 | 2.32 | 0.61 | −0.92 | 2.13 | 0.45 | −0.97 | 1.87 |
| 8–9 | — | — | — | 0.45 | −1.91 | 2.81 | 0.34 | −1.77 | 2.45 |
Note. L95% CI = lower 95% confidence interval; U95%CI = upper 95% confidence interval. Blank cells indicate grade levels where too few students scored at or below the 10th percentile to allow for calculation of a reliable effect size.