Variation source

Squares Sum.

Degrees of freedom

Squares average

F value

The level of statistical significance

ETA square

The pretest

8.545

1

8.545

0.47

0.497

0.011

Teaching-oriented

5457.934

2

2728.967

150.03

0

0.872

Error

800.33

44

18.189

Total

503,308.000

48

Adjusted total

7987.667

47