Subject

Before

After

Diff

A

4.02

2.12

−1.90

B

2.31

1.37

−0.94

C

4.60

3.20

−1.40

Average:

3.64

2.23

−1.41

SD:

1.19

0.92

0.48

t-test:

0.0364

Normality:

Yes

Yes

Yes

Subject

Before

After

Diff

D

3.76

4.60

0.84

E

4.02

4.59

0.57

F

1.84

1.83

−0.01

Average:

3.21

3.67

0.47

SD:

1.19

1.60

0.43

Normality:

Yes

No

Yes

W S-R test:

0.423

t-test:

0.677

0.246

0.0073

Normality:

Yes

Yes

Yes

Equal Variance:

Yes

Yes

Yes