Independent Sample Test

Post-test 1

F

Sig.

t

df

Sig. (bilateral)

Difference Value of Mean Value

Standard Error Value

95% Confidence Interval of the Difference

Lower

Limit

Upper Limit

Suppose the variances are equal

0.521

0.473

−4.945

72

0.000

−11.59459

2.34473

−16.26873

−6.92046

Suppose the variances

are not equal

−4.945

70.542

0.000

−11.59459

2.34473

−16.27038

−6.91881