| Source | Type 111 Sum of Squares | df | Mean Square | F-ratio | P-value |
| Corrected Model | 55,518.65(a) | 4 | 13,879.66 | 77.17 | <0.001 |
| Intercept | 69,423.54 | 1 | 69,423.53 | 386.00 | <0.001 |
| Pre-Knowledge Score | 55,211.70 | 1 | 55,211.70 | 306.98 | <0.001 |
| AGE | 1211.82 | 3 | 403.94 | 2.25 | 0.08 |
| Error | 35,071.35 | 195 | 179.85 |
|
|
| Total | 186,512.00 | 200 |
|
|
|
| Corrected Total | 90,590.00 | 199 |
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|