| Variable | Year 1 (n = 46) | Year 2 (n = 61) | Year 3 (n = 58) | |||
| Mean(sd) | Std. Error | Mean(sd) | Std. Error | Mean(sd) | Std. Error | |
| Decoding |
|
|
|
|
|
|
| Pretest: | 14.61 (3.82) | 0.39 | 15.47 (4.25) | 0.34 | 15.66 (3.53) | 0.39 |
| Posttest: | 18.14 (3.72) | 0.38 | 19.09 (4.71) | 0.38 | 19.33 (4.38) | 0.48 |
| Comprehension |
|
|
|
|
|
|
| Pretest: | 21.86 (5.32) | 0.43 | 23.83 (5.37) | 0.42 | 20.89 (5.82) | 0.51 |
| Posttest: | 24.81 (4.96) | 0.41 | 23.87 (5.34) | 0.42 | 23.98 (4.72) | 0.41 |
| Total Knowledge |
|
|
|
|
|
|
| Pretest: | 36.88 (6.51) | 0.68 | 39.30 (8.03) | 0.65 | 36.60 (7.50) | 0.93 |
| Posttest: | 43.33 (7.92) | 0.82 | 42.92 (8.71) | 0.70 | 43.12 (7.73) | 0.96 |