Table 8. Covariance analysis of defect extraction and problem-solving skills
Source
SS
df
MS
F
Corrected model
322.366a
2
161.183
1,818.704
***
Intercept
15.938
1
15.938
179.840
***
Pretest
2.859
1
2.859
32.257
***
Group
308.069
1
308.069
3,476.090
***
Error
3.988
45
.089
Total
2,211.117
48
R
2
=.988 (Adj R
2
=.987).