Table 4.
Repeated measures ANOVA on higher-level and lower-level writing skills
| Component | Sum of squares | df | Mean square | F | Sig | Partial η2 |
|---|---|---|---|---|---|---|
| Organization | ||||||
| Between group | 210.333 | 9 | 112.067 | 21.598 | .072 | .008 |
| Within group | 10.042 | 350 | 10.042 | 26.467 | .059 | .002 |
| Development | ||||||
| Between group | 552.667 | 9 | 210.667 | 54.659 | .089 | .005 |
| Within group | 26.792 | 350 | 24.149 | 4.734 | .090 | .014 |
| Sentence structure | ||||||
| Between group | 8070.167 | 9 | 6302.167 | 169.700 | .000* | .190 |
| Within group | 53.133 | 350 | 26.567 | 2.154 | .015* | .169 |
| Word choice & grammar | ||||||
| Between group | 4056.000 | 9 | 2006.000 | 174.075 | .000* | .212 |
| Within group | 48.875 | 350 | 9.775 | 2.015 | .036* | .168 |
| Mechanics | ||||||
| Between group | 4481.167 | 9 | 2538.167 | 114.037 | .000* | .106 |
| Within group | 91.208 | 350 | 10.242 | 9.893 | .006* | .182 |
*Significant at the .05 level (2-tailed)